XY-WRBT DC 3.7V-24V 12V Bluetooth 5.0 Stereo Audio Receiver Board Mp3 Lossless Decoder Wireless Stereo Music Module

Product Parameters Product name Bluetooth decoder boardWorking voltage 3 7 24VDCBluetooth version 5 0Transmission distance 15 meters visible without obstruction Signal to noise ratio ≥90dBDistortion ≤ 70dBNumber of channels Dual channel stereo Audio interface 3 5mm audio interfaceModule protection mechanism Power reverse connection protectionInterface Description 1 Power supply can use Micro USB mobile phone charger 3 7 4 2V lithium battery 3 7 24V DC power supply you can choose one of the three 2 Short circuit the on off contact for 2 seconds to set the decoder board to on off For battery powered situations turning off when not in use will save power and facilitate modification Instructions After the power is turned on the blue indicator light flashes quickly and enters the Bluetooth mode after the prompt tone is broadcast it enters the pairing mode and waits for pairing the mobile phone Bluetooth searches for XY WRBT power amplifier board device name click XY WRBT After the connection is successfully connected the prompt tone will be played the indicator light is on and the mobile phone music can be played The indicator flashes slowly when playing music after the Bluetooth is disconnected the amplifier board is ready for the next pairing and enters after the prompt tone is played Pairing mode is waiting for pairing Precautions for using 3 7V lithium battery power supply 1 When using battery power the decoder board will automatica