Feature:1. Using 5.0, the signal is more stable and the sound quality is better.2. You can use Micro‑USB mobile phone charger, 3.7‑4.2V lithium battery and 3.7‑24V DC power supply.3. Made of high-quality electronic component materials, stable and reliable performance.4. Short-circuit the on/off contact for 2 seconds to set the decoder board on/off.5. The module has the characteristics of anti-reverse connection, wide voltage operation, automatic return connection, and rechargeable lithium battery.Specification:Item Type: Decoder BoardMaterial: PCBApplication: Wide voltage and volume adjustable speaker power amplifierWorking Voltage: 3.7~24V DCBluetooth Version: 5.0Transmission Distance: Approx. 15m / 49.2ft (visible without obstruction)Signal-to-noise Ratio: 290dBDistortion: ≤-70dBNumber of Channels: Dual channel (stereo)Audio Interface: 3.5mm audio interfaceModule Protection Mechanism: Power reverse connection protectionHow to use:After the power is turned on, the blue indicator light flashes quickly and enters the mode; after the "prompt tone" is broadcast, it enters the pairing mode and waits for pairing; the mobile phone searches for "XY-WRBT" (the name of the power amplifier board device).Click "XY-WRBT" to connect, after the connection is successful, the "prompt tone" indicator light will be on, you can play mobile music, and the indicator light flashes slowly when playing music; after the is disconnected, the amplifier board prepares for the next pairing and playing. After the prompt tone, enter the pairing mode and wait for pairing. Package List:1 x Bluetooth Decoder Board
You can use Micro‑USB mobile phone charger, 3.7‑4.2V lithium battery and 3.7‑24V DC power supply.
The module has the characteristics of anti-reverse connection, wide voltage operation, automatic return connection, and rechargeable lithium battery.
Short-circuit the on/off contact for 2 seconds to set the decoder board on/off.
Made of high-quality electronic component materials, stable and reliable performance.
Using 5.0, the signal is more stable and the sound quality is better.
