XY-WRBT Wireless Bluetooth 5.0 Audio Receiver Stereo 3.5mm Adapter

Product name : Bluetooth decoder board
Product model : XY-WRBT
Working voltage : 3.7 ~ 24VDC
Bluetooth version: 5.0
Transmission distance : 15 meters (visible without obstruction)
Signal to noise ratio : =90dB
Distortion : =-70dB
Number of channels : two channels (stereo)
Audio interface : 3.5mm audio interface
Module protection mechanism : reverse power protection

Interface Description :
1. Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium battery, 3.7-24V DC power supply, any one of the three can be used.
2. Short-circuit the "on / off contact" for 2 seconds to set the decoding board on / off. For battery-powered conditions, shutting down when not in use saves power and facilitates modification.

Instructions :
After turning on the power, the blue indicator light flashes quickly and enters the Bluetooth mode; after the “beep” is announced, it enters the pairing mode and waits for pairing; the mobile phone Bluetooth searches for “XY-WRBT” (power amplifier board device name) and clicks “XY-WRBT” Connect, play "prompt tone" after successful connection, the indicator light is on, you can play mobile phone music, the indicator light flashes slowly while playing music; after the Bluetooth is disconnected, the power amplifier board is ready for the next pairing, and enters after playing the "prompt tone" Pairing mode waits for pairing.