Bluetooth Audio Receiver board Bluetooth 5.0 mp3 lossless audio decoder board Wireless Stereo Music Module Wireless speakers

Origin:CN(Origin)
Compatible Audio & Video Equipment Style:Earphones & Headphones
Certification:NONE
Type:AUDIO
Package:Yes
Bundle:Bundle 1
Dimensions (WxHxD)):4.40 x 3.00 x 0.50CM
Weight:7g
Model Number:Bluetooth 5.0 stereo audio decoder board

Product name: Bluetooth decoder board
Working voltage: DC 3.7~24V
Bluetooth version: 5.0
Transmission distance: 15 meters (visible without obstruction)
Signal to noise ratio: 90dB
Distortion degree: -70dB
Number of channels: dual channel (stereo)
Audio interface: 3.5mm audio interface
Module protection mechanism: power reverse connection protection
Interface Description:
1. Power supply can use Micro-USB mobile phone charger, 3.7-4.2V lithium , 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 on/off. For -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 power supply
1. When using power, the decoder board will automatically shut down when the voltage is lower than 3.3V, and then short circuit the on/off contact for 2 seconds to turn on the machine after re-powering or fully charged.
2. When using a to supply power, if the voltage is too low, a "sizzling" noise may appear. In this case, the needs to be charged.
3. Since there is no lithium charging protection circuit on the decoder board, it is recommended to use a lithium with a protection board.
4. If your rechargeable supports Micro USB direct charging, you can use Micro USB to directly charge the .
Package Included:
Bluetooth decoder board x1