Bluetooth decoding board MP3 lossless car speaker power amplifier modification Bluetooth 4.1 circuit board XY-BT-Mini

Giới thiệu Bluetooth decoding board MP3 lossless car speaker power amplifier modification Bluetooth 4.1 circuit board XY-BT-Mini

Product name:MP3 Bluetooth decoder board.
Product number:XY-BT.
USB powered:Universal Micro USB 5V power supply.
Power supply:3.7~ 5V.
Signal to noise ratio:90db.
THD+N:-70DB.
Crosstalk:
- 86db.
DNR:91db.
Support configuration:A2DP/AVCTP/AVDTP/HFP.
Service Level:>5 meters.
Instructions:.
After the power is turned on, the blue indicator lights up and enters the Bluetooth mode; the English 1 "The bluetooth device is ready to pair" is displayed, indicating that the Bluetooth mode is entered and waiting for pairing; the "XY_ _BT" searched by the mobile phone Bluetooth is the device name of the decoding board. , Click on the connection, the decoder board prompts "The bluetooth device is connected successfully" , indicating that the decoder board and the mobile phone are connected successfully, you can play music.