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Bluetooth audio vevőkártya Bluetooth 5.0 MP3 veszteségmentes dekóder kártya DC3.7V-24V vezeték nélküli sztereó zenei modul XY-WRBT hangszórók
Bluetooth Audio Receiver Board Bluetooth 5.0 MP3 Lossless Decoder Board DC3.7V-24V Wireless Stereo Music Module XY-WRBT Speakers
Operation instructions
After switching on the power supply, the blue indicator flashes and enters the Bluetooth mode; after broadcasting the "prompt sound", it enters the matching mode and waits for matching; after broadcasting the "prompt sound", the mobile Bluetooth searches for "XY-WRBT" (the name of the power amplifier board device), clicks on the "XY-WRBT" connection, and plays the "prompt sound" after the connection is successful, and when the indicator light is long, the mobile music can be played. When playing music, the indicator light flickers slowly; after Bluetooth disconnects, the amplifier board prepares for the next pairing, and plays the "prompt tone" and enters the pairing mode to wait for the pairing.
Cautions for Power Supply with 3.7V Lithium Battery
1. When powered by batteries, the battery voltage is less than 3.3V decoder board automatically shuts down, and the contacts are switched on/off for 2 seconds after re-energizing or full charging.
2. When using batteries to supply power, if the voltage of batteries is too low, there may be "nourishing" noise. In this case, the batteries need to be charged.
3. Because there is no charge protection circuit for lithium batteries on decoder board, it is recommended to use lithium batteries with protection board.
4. If your rechargeable battery supports Micro USB charging directly, you can use Micro USB charging directly to the battery.
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