Bluetooth Receiver Board Bluetooth 5.0 Stable Stereo Amplifier Board with Button Control
Feature:
1. The PCB board reserves 2 control ports, one is to output high level first, and then output low level when power on or pause. The other one is to output a low level first, and then output a high level when it is turned on or suspended.
2. The power amplifier board uses Bluetooth 5.0 main control chip, which has good transmission effect and high stability. This is for professional users to use external power amplifier DIY, ordinary users do not need to use it.
3. With button control, it can control up and down songs, volume addition and subtraction, play, pause, switch on and off, etc., and reserve high and low level control interfaces, regardless of daily use or DIY modification, with strong playability.
4. Output interface: 3.5mm stereo (reserved welding point, you can DIY by yourself), power interface: micro 5p (reserved 2.5mm welding port, does not support battery power supply) Input voltage: 3.7V‑5V.
5. The Bluetooth signal of phone, laptop, and tablet can be transmitted to power amplifier, active speaker and other device. The interface can also be connected to 3.5mm headphones to turn into Bluetooth headphones. (without mic, voice chat is not supported).
Specification:
Item Type: Bluetooth Receiver Board
Material: PCB
Color: White
Bluetooth Version: V5.0
Transmission Distance: About 10 Meters (the Shorter the Distance, the Better the Stability)
Output Interface: 3.5mm Stereo (Reserved Solder Joints, You Can DIY by Yourself)
Power Interface: Micro 5p (Reserved 2.5mm Welding Port, Does Not Support Battery Power)
Input Voltage: 3.7V-5V
Signal to noise Ratio: 90dB
Total Harmonic Distortion +Noise::-70dB
Crosstalk: -86dB
DNR: 91dB
Transmission Protocol: A2DP/AVCTP/AVDTP/HFP
Package List:
1 x Bluetooth Receiver Module
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
