Wireless Bluetooth 5.0 Audio Receiver Decoders Stereo Amplifier Board DC3.7-24V

Description

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Product View
Detail
Introduction :(No Remote Control)
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.
Introduction :(With Remote Control)
Product name：Bluetooth Decoder
Working voltage：3.7~24VDC
Bluetooth version：5.0
Transmission distance：15m (visible and unshielded)
Signal-to-noise ratio：≥90dB
Distortion：≤-70dB
Number of vocal tract：Dual Channel (Stereo)
Audio interface：3.5mm audio interface
1. Micro-USB mobile phone charger, 3.7-4.2V lithium battery and 3.7-24V DC power supply can be used for power supply.
2. Short "on/off contact" 2 seconds can set decoder board on/off, for battery power supply, when not in use, power-saving, convenient refitting.
Operation instructions
After switching on the power supply, the blue indicator flashes and enters the Bluetooth mode; after broadcasting the "prompt tone", it enters the matching mode and waits for matching; after broadcasting the "prompt tone", 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 tone" after the connection is successful. When the indicator lights are on for a long time, the mobile music can be played, and the indicator lights will flash slowly when the Blue The amplifier board prepares for the next pairing, and plays the "prompt sound" before entering 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. After re-energizing or full charging, the contacts are switched on/off for 2 seconds.
2. When using batteries for power supply, 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.
Package Included:
1x Bluetooth 5.0 Audio Receiver Decoders
Warranty and Guarantee
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About us
Shipment
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