Board nhạc

Recommended Power: Recommended transformer voltage DC 12-18V, the battery can also be Oh, positive and negative automatic identification, do not worry reversed. Many of our family router power idle most of them can be used, the current size of the power output, 1A is the most basic requirement, 2A or more on relatively good. Casual use of other power supply specifications may cause burn! Product Name: TDA7377 2.1 Power Amplifier Board Chip Type: TDA7377 Input voltage: AC 9-12v DC 12-18v Output power: 10W x 2 + 30W x 1 MAX. Channel: 2-channel + 0.1 subwoofer Output impedance: 4-8 ohms Frequency response: 20Hz-20KHz Speaker recommendation: left and right channel 3-5 inch 4-8 ohms within 30W; subwoofer 4-6.5 inch 4-8 ohms within 50W size:76*58mm colour:red Material:Metal + pc Package Contents: 1 * Single power computer amplifier boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Name: Bluetooth power amplifier board DC power supply: DC5V 2A Output power: 3-10W Output impedance: 2-8 ohms Channel: 2 size:40 x 34 x 12mm Material:plastic colour:blue Package Contents: 1 x Bluetooth power amplifier boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

This product is a preamplifier with no amplifier function. It can't be connected directly to speakers and passive speakers. It can't be connected to headphones and can't be connected to the car. Be careful not to use DC power supply, can not connect to the phono amplifier. Power supply: AC12V-15V, above 1A, the power supply does not exceed AC15V. (AC12V 1A power supply is recommended) Tube: 6J3 tube PCB board: board thickness 1.6MM (glass fiber FR4) Product support tube: 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 etc. Power socket: DC3.5/5.5*2.1 The tube buffer is enlarged by about 2 times. Connected between the source and the front or rear pole. Colour: black Material: plastic Size: 78x74x32mm Package Contents: 1 * Vacuum Tube Preamp Amplifier Board Note: This product can't drive speaker headphones. The tube should be inserted in the end. When the switch is turned on, the tube light is bright, the tube is not plugged in, the backlight is on, and the product will not work. It is best to use shielded wires for the connecting wires. Common wires may cause leakage or noise.Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

100% Brand New Input voltage: DC12-24V Input current: more than 5A Input impedance: 1K ohm Magnification: 45 times Output power: 80W * 2 Output impedance: 4-8 ohms Size: 96 * 33mm Weight: 60G colour: blue Material: metal Package Contents: 1pcs* audio amplifier board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Peak power: 30W*2 Channels: 2 (2.0) Product Name: Digital Audio Power Amplifier Board Amplifier type: Class D Input voltage: DC8~26V el Number: XH-A232 Input current: 3A or more Number of channels: two channels Output impedance: 4~8 ohms Signal to noise ratio: 100DB colour:blue Material:metal Size: 53*45*14MM Package Contents: 1*Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Description: Item type: Guitar neck joint plate Material: Stainless steel Mounting hole distance: (length x width) about 51*38mm Color: silver (chrome plated) Shield size: (length x width) about 64.5x 51.2mm (suitable for most guitars) Package Include: 1 x Stainless steel guitar neck joint plate 1 x Plastic back plate 4 x mounting screws Note: The colors deviation might differ due to different monitor sett

Một chiếc đàn piano điện tử với họa tiết chú vịt vàng xinh xắn, màu sắc và âm thanh sinh động. Đặc biệt, sản phẩm với thiết kế thông minh, đa chức năng (5 trong 1), với một chiếc đàn trên tay, bé có 05 cách chơi như sau: - Mô hình chiếc điện thoại bàn. - Phát nhạc nhiều bài hát - Phím đàn/đập chuột vui nhộn - Lật trang sách - Răng cưa xoay vòng/lúc xoay bánh lăn có phát ra tiếng còi tàu lửa - Đánh trống vui nhộn... 👉Chất liệu nhựa cao cấp ABS, an toàn tuyệt đối cho bé nhỏ. 👉Thiết kế tay cầm, tiện lợi cho bé xách theo ra ngoài chơi nè. Món đồ chơi này rất là thích hợp nếu ba mẹ dẫn bé ra ngoài cùng mình, và muốn bé có thể ngồi yên chơi ngoan nà. 👉Các góc canh bo viền trơn tru, không sắc nhọn, tránh gây trầy xước đôi tay bé. - Có 2 màu: Đỏ và Xanh lá - Kích thước: 25.2*17.3*8.7 Ba mẹ tham khảo đặt hàng

Bo Mạch Nguồn Ô TÔ Điện Trẻ Em là dạng bo mạch nguồn phía trước xe ô tô điện trẻ em đảm nhận các chức năng như : tắt mở nguồn (start & stop) ngoài ra còn có các chế độ như tăng giảm âm lượng, chế độ bập bênh chế độ bật đèn led, chế độ rùa thỏ (nhanh chậm) Bo mạch được thiết kế kiểu dáng hình tròn full kết nối các chức năng như : USB, THẺ NHỚ, MP3, giắc cắm tín hiệu sau mạch 4 + 8

Product name: Bluetooth power amplifier board Power amplifier chip: TPA3118 Power amplifier category: Class D power amplifier Channel: Mono Amplifier power: 1*60W Power supply voltage: 8~24VDC Featured service: 60W Bluetooth 5.0 speaker Colour:blue Material:PCB+metal Size:72 x 48mm Package Contents: 1 * Power amplifier boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

BUSY BOARD(BẢNG BẬN RỘN) LÀ GÌ? ĐƠN GIẢN LÀ BÉ BẬN RỘN CHƠI ĐỒ CHƠI ĐƯƠNG NHIÊN BA MẸ CÓ THỜI GIAN RẢNH TRÁNH XA TIVI ĐIỆN THOẠI MÀ CÒN GIÚP BÉ PHÁT TRIỂN CÁC KỸ NĂNG CƠ BẢN Một chiếc bảng bận rộn busy board ra đời với sứ mệnh mang lại cho trẻ em những giây phút giải trí ý nghĩa tuyệt vời giúp bố mẹ rảnh rang có trong khi bé chơi đồ chơi, chiếc bảng bận rộn busy board tích hợp nhiều tính năng tuyệt vời giúp bé vừa học vừa chơi Thông tin chi tiết bộ đồ chơi: Chiếc bảng được sản xuất bằng gỗ tự nhiên sơn màu nước an toàn Đồ chơi được sản xuất thủ công tại Việt Nam có chứng nhận hợp quy an toàn cho trẻ khi chơi Thiết kế dạng cây đàn guita giúp bé cảm nhận cảm thụ âm nhạc Bộ đồ chơi có thể dùng làm món đồ trang trí nội thất phòng bé Kích thước: 50x23x5cm Thương hiệu Benrikids Xuất xứ: Việt Nam #dochoi #dochoigiaoduc #dochoigo #dochoixephinh #bangbanron #busyboard #dochoithongminh #dango #danguitar #nhaccu #dochoiamnhac #dochoichobe #benr

Đồ chơi bảng bận rộn luôn được tích hợp nhiều phụ kiện lên đó, và bảng bận rộn guitar này cũng không ngoại lệ. Với thiết kế là chiếc đàn guitar có kích thước lớn và được gắn lên đó đàn khung gỗ 8 âm sắc bé sẽ chơi và cảm thụ âm nhạc qua đó, 10 hình khối được đánh số trừ 1 đến 10 bé sẽ học hình khối và số đếm hay bộ 3 bánh răng chuyển động cũng được gắn lên bảng An toàn: đồ chơi được làm hoàn toàn bằng gỗ tự nhiên, các bề mặt được mài mịn, không cạnh sắc tuyệt đối an toàn cho bé Đặc điểm: - Bé vừa chơi vừa học về âm nhạc, hình khối và số đếm - Giúp bé phát triển các kỹ năng cơ bản trong cuộc sống Chất liệu: gỗ Kích thước: 50x23x5 cm Xuất xứ: Việt Nam [TẶNG KÈM BALO, MÀU SẮC NGẪU NHIÊN TRỊ GIÁ 150K KHI MUA SẢN PHẨM BẢNG BẬN RỘN LOẠI ĐÀN GỖ. SỐ LƯỢNG CÓ

This product can reduce noise, absorb sound, decorate and decorate, improve sound quality and eliminate echo. Reduce the reflection and echo of sound waves in the room, making the sound more pleasant. High product density, good resilience, toughness, can rebound quickly after releasing by hand. Breathable, moisture-proof, thousands of pores, soft contact, high elasticity. This product is corrosion-resistant and odor-free, and uses high-density flame-retardant materials to effectively prevent the occurrence of open flames. Suitable for bars, recording studios, cinemas, offices, home decoration, etc. Colour: black Material: polyurethane Size: 50x50x5cm Package Contents: 8 * Soundproofing FoamOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

ĐÀN ĐIỆN TỬ ĐA NĂNG KIÊM BUSY BOARD CHO BÉ (5 TRONG 1) Một chiếc đàn piano điện tử với họa tiết chú vịt vàng xinh xắn, màu sắc và âm thanh sinh động. Đặc biệt, sản phẩm với thiết kế thông minh, đa chức năng (5 trong 1), với một chiếc đàn trên tay, bé có 05 cách chơi như sau: - Mô hình chiếc điện thoại bàn. - Phát nhạc nhiều bài hát - Phím đàn/đập chuột vui nhộn - Lật trang sách - Răng cưa xoay vòng/lúc xoay bánh lăn có phát ra tiếng còi tàu lửa - Đánh trống vui nhộn... 👉Chất liệu nhựa cao cấp ABS, an toàn tuyệt đối cho bé nhỏ. 👉Thiết kế tay cầm, tiện lợi cho bé xách theo ra ngoài chơi nè. Món đồ chơi này rất là thích hợp nếu ba mẹ dẫn bé ra ngoài cùng mình, và muốn bé có thể ngồi yên chơi ngoan nà. 👉Các góc canh bo viền trơn tru, không sắc nhọn, tránh gây trầy xước đôi tay bé. - Có 2 màu: Đỏ và Xanh lá - Kích thước: 25.2*17.3*8.7 Ba mẹ tham khảo đặt hàng nhe. #ChạpPôNhàHạoHạo #Đồ_Chơi_Trí_Tuệ_Cho_Bé #Đồ_Chơi_Giáo

This circuit can be used when the sound of your device is connected to the power amplifier is small, suitable for small audio signal amplification, the amplification factor is 10 times (20db), the front 3.5mm interface can be connected to headphones; Power supply: DC 9-19V, the amplifying chip is a dual op amp NE5532, the input and output are 3.5mm ordinary headphone jack and RCA lotus jack. Colour: black Material: plastic Size: 87 x 50 x 37mm Package Contents: 1 x Audio amplifierOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Colour: blue Material: PCB Size: 63 x 51mm Package Contents: 1 x Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

1.With two audio source input methods, choose Bluetooth 5.0 connect or Headphone(AUX)input. 2. Bluetooth transmission distance is 15 meters.it apply for speaker ified, car Bluetooth device and so on 3.This audio amplifier ule has dual-channel Stereo works with 8 ohm 40W-100W speakers. 4. Please note that enough input voltage and current is necessary to make sure enough output power. 5.This BT Amp with protective shell, Over-voltage protection, under-voltage protection, Over-heat protection, Short-circuit protection Colour: black Material: PCB+metal Package Contents: 1 * Bluetooth 5.0 Amplifier 1 * adapter 1 * screwdriver 8 * screwOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

This product is a preamplifier with no amplifier function. It can't be connected directly to speakers and passive speakers. It can't be connected to headphones and can't be connected to the car. Be careful not to use DC power supply, can not connect to the phono amplifier. Power supply: AC12V-15V, above 1A, the power supply does not exceed AC15V. (AC12V 1A power supply is recommended) Tube: 6J3 tube PCB board: board thickness 1.6MM (glass fiber FR4) Product support tube: 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 etc. Power socket: DC3.5/5.5*2.1 The tube buffer is enlarged by about 2 times. Connected between the source and the front or rear pole. Colour: black Material: plastic Size: 78x74x32mm Package Contents: 1 * Vacuum Tube Preamp Amplifier Board Note: This product can't drive speaker headphones. The tube should be inserted in the end. When the switch is turned on, the tube light is bright, the tube is not plugged in, the backlight is on, and the product will not work. It is best to use shielded wires for the connecting wires. Common wires may cause leakage or noise.Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Condition: New Type: Voltage Regulator el Number: XH-A233 Application: Computer Supply Voltage: 12v~24v Dissipation Power: 15W X 2 For Arduino STM: electronic ule Colour:red Material: PCB Size:49 x 44 x 3mm Package Contents: 1 x Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Product Name: Two-channel Bluetooth 5.0 power amplifier board Product el:XH-A353 Amplifier Chip:Two YDA138-E Input voltage: DC12 Working Current: 4A Output power: 20W x 2 4ohm Audio input: Bluetooth 5.0 Number of channels: two channels Installation aperture: 3MM colour:Blue Material:plastic size:76 x 62mm Package Contents: 1 x amplifier boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Channels:2 (2.0) Maximum Power Per Channel:10W Type:Mini Amplifier Size: 58*28mm Color: red Material: plastic and metal Package Contents: 1 * Passive tone board setOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

BUSY BOARD(BẢNG BẬN RỘN) LÀ GÌ? ĐƠN GIẢN LÀ BÉ BẬN RỘN CHƠI ĐỒ CHƠI ĐƯƠNG NHIÊN BA MẸ CÓ THỜI GIAN RẢNH TRÁNH XA TIVI ĐIỆN THOẠI MÀ CÒN GIÚP BÉ PHÁT TRIỂN CÁC KỸ NĂNG CƠ BẢN Một chiếc bảng bận rộn busy board ra đời với sứ mệnh mang lại cho trẻ em những giây phút giải trí ý nghĩa tuyệt vời giúp bố mẹ rảnh rang có trong khi bé chơi đồ chơi, chiếc bảng bận rộn busy board tích hợp nhiều tính năng tuyệt vời giúp bé vừa học vừa chơi Thông tin chi tiết bộ đồ chơi: Chiếc bảng được sản xuất bằng gỗ tự nhiên sơn màu nước an toàn Đồ chơi được sản xuất thủ công tại Việt Nam có chứng nhận hợp quy an toàn cho trẻ khi chơi Thiết kế dạng cây đàn guita giúp bé cảm nhận cảm thụ âm nhạc Bộ đồ chơi có thể dùng làm món đồ trang trí nội thất phòng bé Kích thước: 50x23x5cm Thương hiệu Benrikids Xuất xứ: Việt Nam #dochoi #dochoigiaoduc #dochoigo #dochoixephinh #bangbanron #busyboard #dochoithongminh #benr

2* Mini Digital Amplifier Board: 1*a + 1*b 100% brand new and high quality The power supply voltage is 2.5-5.5V, more than 5.5V, the chip will burn out.The power supply current recommended 1A or more, less than 1A sound will be small. The positive and negative poles of the power supply can not be reversed, and the reverse chip is burnt.The load recommended 4 Euro 3W speakers. This ule has a mute switch, high level mute, low level playback, the default is low level playback. This ule is suitable for amplifying the audio signal of 0.5V-1V. If the signal is too small, it needs to be connected to the preamplifier.This ule is only suitable for single-supply operation and cannot be connected to a negative power supply. product name:1-channel digital amplifier board Product Code:XH-M311 Core elements:TPA3118 voltage range:DC8-24V Output Power:60W Max Specification: Working voltage: 2.5-5.5VDC Working current: 1A or more Output power: 3-5W Load parameters: impedance 4-8 Ohm, speaker power 3-5W Signal to noise ratio: 85dB@ VDD=5V, Vorms=1V Dimensions: 1.2x1.5cm/0.47x0.59 inch Number of channels: channel* 1 Size:54.5x40mm Color: color as shown Material:Metal + pc/plastic + metal Packaging Including: 2* Mini Digital Amplifier BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Specific parameters:el: 1969 Small Group A Tube el: TIP41C Output power: 5W per channel Power consumption: 20W per channel Power source: DC single 12-30V Static current: prior to shipment in a standard 25 volts DC down to 0.8-0.9A Board size: 5 * 5cm/1.97*1.97 inch Thickness: 1.6mm fiberglass board double-sided design Board material situation: Resistance: full five-color ring precision metal film resistors Adjustable resistance: Sealed multi-turn adjustable resistors Input capacitance: Promise of capacitance Farah Electrolytic s: high-capacitance Specific wiring methods: 1969 finished panels and audio speaker power wiring diagram. material:plastic colour:green Package Included: 1x DC 12V 1969 Class A Amplifier Board 2x Thermal insulation pads 2x insulation caps Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

el Number:WM-019 Channels:3 (2.1) Size: approx.98*40mm Color: blue Material: metal Package Contents: 1 * 2.1 channel preamp boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Beautiful music toys to develop children's brain awareness. 49 keys: with excellent function 16 tones, 8 rhythms, 6 demos, 5 shapes, single finger chords etc. 61 keys: with excellent function 16 tones, 10 rhythms, 6 demos, 8 shapes, single finger chords, finger chords etc. Power and battery supply, easy to play indoor or outdoor. With a mini microphone, children can sing while they play. Easy to understand, easy to learn. Power supply: USB cable, 3 x AA 1.5V battery (not included), MIDI: does not support Keyboard: 49 keys / 61 keys Rhythm: 8/10 Type: electronic keyboard Person concerned: children Colour:black Material:plastic Size:63 x 20 x 6.2cm / 53 x 18 x 5.4cm Package Contents: 1 * Electronic organ 1 * microphone 1 * USB cable Note: Sound can not reach the level of a professional piano.<br />Only the above package content, other products are not included.<br />Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Name: 20W+20W stereo bluetooth digital power amplifier board el: XY-AP15H Transmission distance: 15m Bluetooth version: 5.0 Number of channels: left and right channels Adapted speakers: 30W-200W 4 ohms 8 ohms 16 ohms Colour:black Material:plastic Size:52x52mm Package Contents: 1x Amplifier Precautions for use: 1. Use the power amplifier board as far away as possible from the WIFI signal (router) 2. The recommended power supply voltage is DC 8~24V, if it exceeds 26V, the chip will burn. 3. The power supply does not exceed 12V when connected to a 4ohm speaker, and does not exceed 24V when connected to an 8ohm speaker 4. The power supply current is recommended to be above 2A. 5. The working power of the ule exceeds 20W*2, and a heat sink is requiredOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Chip type: TPA3116D2 X 1 Input voltage: DC12-24V Output power: 2*120W The bluetooth ule: BTM835/CSR835(4.0) transmission distance: more than 10 meter Output channel: 2 Size: 98*80*18mm colour: As shown Material: PC + metal Net weight: 81g Package Included: 1 * Assembly amp board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Product name: Bluetooth digital power amplifier board Chip el: PAM8403 Transmission distance: up to 20 meters (unobstructed) Supply voltage: 5v micro-input Channel: 2 Maximum power: 5w+5w size:99x64x24mm Material:PCB+metal colour:green Package Contents: 1 * Bluetooth power amplifier boardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Channels: 2 (2.0) Maximum Power Per Channel: 50W Channel types: 2.0 / stereo The power interface: 5.5 * 2.5 plug The weight: 87 g (with copper column) Type: Home Amplifier 100%Brand New and High Quality els: 6 j1 tube (substitution el 6 au6 ak5, 6, 5654, etc.) Working voltage: communication AC12V 0.8 A or above Bravery former level, bravery buffer function: to add in the digital audio source such as colour: As shown Material: Pc+metal size: Circuit board size: 82 x 75 mm Package Contents: 1*6J1 tube preamplifier Diy kits 1*Instruction manual Note: This is Diy Kits.you need do it yourself. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

set2: 10 x Red alligator clips& 10 x Black alligator clips & 1 x Amplifier Board You can use it to repair broken leads on test equipment and chargers or make your own low-voltage jumper leads. Easy to open: these heavy-duty clips are easy to open and the spring-loaded jaws grip tightly, strong jaws never fall off once they're clamped down Sturdy and durable clips: The alligator clips are made of durable metal, each piece comes with 2 plastic covers on the top of the clip, easy to open. Solid and clear interlocking teeth with a strong grip, once caught by the clip, it won't fall off. High efficiency: 90% A-Class, B-Class Amplifier efficiency as only about 30%. Class D Amplifier is now highly respected. D-Class Amplifier efficiency is extremely high, not because of the temperature effect on the sound quality. but not Add radiator and take up less space Color: Green/red, black ,Sier Can provide 3W (left channel) 3 W (right channel) output power at 4Ω load and 5V supply voltage conditions ule comprises a short-circuit current protection and over temperature protection Size: 21 x 18 x 3.4 mm (L x W x H) Noise reduction circuit in the Amplifier board built Power on / off without pop noise Application: LCD TV devices, monitors, Laptop, portable Speakers, Portable DVD players, game consoles, Phone / Handsfree Operating voltage: 2.5V to 5.5V Speaker: 4-8ohms, recommended: 4 Ohm Speaker power: 2-8W Note: First, turn off and then Aktiv speakers or likely to cause damages to the chip; Because digital Volume control ule has a large Volume, so do not be too much to leave the audio signal input signal Cut Limiter. Size: the outside diameter of the round plastic shroud is 0.26 inch, the inside diameter is 0.16 inch (where a wire would be inserted) Widely applied in a variety of occasions: Alligator clips can be applied in electrical or laboratory electric testing work. They are useful for connecting components to wires. Also frequently use in school physics laboratories to quickly assemble circuits. Material: metal and plastic Clip length: 45mm Jaw open maximum width: 15 mm/ 0.59 inch Package content: 10 x Red alligator clips 10 x Black alligator clips 1 x Amplifier Board Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1