Bluetooth Audio Receiver board Bluetooth 4.1 BT5.0 Pro XY-WRBT MP3 Lossless Deer Board Wireless Stereo Music Module With Case

Bluetooth Audio Receiver board Bluetooth 4.1 BT5.0 Pro XY-WRBT MP3 Lossless Deer Board Wireless Stereo Music Module With Case

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BT5.0 Audio PRO continues the excellent basic functions of M28 (long-distance transmission, Bluetooth 5.0 backward compatible, lossless sound quality, etc.), and adds more user-friendly performance, as follows: Charge while putting: This product has a circuit of charging and discharging, which can directly charge the battery through the USB power supply, and Bluetooth can continue to work normally during the charging process, and truly realize the function of charging and discharging. Solve the pain point that some products can not be used during the charging process. When powered by USB alone: The red light flashes, indicating that the power supply is normal. When powered by a separate battery: The yellow light is always on, indicating that the battery power supply is normal; the yellow light flashes, indicating that the battery is low. When the USB and battery are connected at the same time: The red light flashes to indicate that the battery is charging; the red light always indicates that the battery is fully charged. (Note that if the USB input is suddenly disconnected during the charging and discharging process, there will be a few seconds of interruption due
to the charge and discharge mode switching at this time, after which Bluetooth will automatically restart, automatically connect and maintain the previous playback state) Incoming voice call function: After the Bluetooth is connected, turn on the call audio mode in the Bluetooth settings. If the phone calls, you can answer or hang up the phone through the PLAY/STOP button. You can choose to send from the microphone of the headset (provided that the headset has a call function, which is a 4-segment type) or from the onboard microphone (default), see the function description for details. When the computer sound card is used: Tin the pads in the two boxes corresponding to the Sound Card on the back of the module, and then connect it to the USB interface of the computer through the USB cable, which can be used as a sound card. That is, the sound played by the computer is output through the audio interface of the module. See function description for details. (Not enabled by default) Product Size:
Product Features:
Support bluetooth 4.1 Mode, Support automatically back to even, Support to dee WAV/APE/FLAC/MP3 files losslessly, Support to      output stereo. characteristics

Power Supply
3.7-5V
SNR
90dB
THD+N
-70dB
Crosstalk
-86dB
DNR
91dB
Support Profile
A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS
>15mFunctions and interfaces defination:

2.Interface details



USB powered
Universal Micro USB 5V power supply
3.7-5V Supply Pad
External 3.7-5V lithium battery power conversion
LED indicator
Bluetooth mode long blue light
3.5mm stereo audio interface
Standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devicesInstructions:
After the power is turned on, the blue indicator lights up and enters the Bluetooth mode; the English “The bluetooth device is ready to pair” is displayed, indicating that the Bluetooth mode is entered and waiting for pairing; the “XY_BT” searched by the mobile phone Bluetooth is the device name of the deing board. , Click on the connection, the deer board prompts "The bluetooth device is connected successfully", indicating that the deer board and the mobile phone are connected successfully, you can play music. As shown below Picture;XY-WRBT
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 deer 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 deer 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.
Instructions with remote control:Product name
Bluetooth Deer


Product model
XY-WRBT


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


Modular protection mechanism
Back-connection protection of power supply1. 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 deer board on/off, for battery power supply, when not in use, power-saving, convenient refitting.