DIY Bluetooth Audio Receiver Board Bluetooth 4.1

5.0 Micro USB Balck/Red

Features: 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 devices Specifications: Power Supply 3.7-5V SNR 90dB THD+N -70dB Crotalk -86dB DNR 91dB Support Profile A2DP/AVCTP/AVDTP/AVRCP/HFP LOS >15m Instructions: 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 de board. , Click on the connection, the decoder board prompts "The bluetooth device is connected succefully", indicating that the decoder board and the mobile phone are connected succefully, you can play music. As shown below Package Included: 1 x Mini Bluetooth 5.0 MP3 Decoder Board

VHM-314-V2.0 5.0 use A

Product selling point: 1. There are two options for power supply: USB and battery 2. One key switch 3. Automatically connect back 4. Stereo output lole de 5. Bluetooth Acompatible control The main parameters: Product Name: DIY Bluetooth 5.0 Audio Receiver Module Working voltage: 3.7-4.2V lithium battery or MicroUSB 5.V Wirele control: Bluetooth/ABluetooth version: 5.0 Communication distance: 15 meters (maximum) Operating temperature range: -40℃~85℃ Steps for usage: 1. Select a suitable speaker and connect it according to the wiring diagram. 2. Connect the power supply from the input terminal, the blue LED flashes quickly, and enters the Bluetooth pairing mode. 3. Search "XY-ABT" on the mobile phone, click "XY-ABT" to complete the connection and a prompt tone will be played. 4. The bluetooth LED enters a long light state, indicating that the module is succefully connected and waiting for playback. 5. Open the mobile phone playback software to play music, the blue LED flashes slowly and enters the playback state. Note: This is a music decoder and needs to be connected to the amplifier first, then the speakers. 6. If Acontrol is required, open the Sinilink Aon the mobile phone and register an account. 7. Select the device 'Sinilink-APP' connection module. 8. Users can adjust the volume through the phone, select the or previous song, play/pause 9. If disconnected, the module will beep. 5.0 Pro The main parameters: Power supply: 3.7-5V Signal-to-noise ratio: 90DB Total Harmonic Distortion + Noise: -70dB Crotalk: -86DB Support profiles: A2DP/AVCTP/AVDTP/AVRCP/HFP Transmiion distance: 15M (open without partition) De format: WAV+APE+FLAC+MP3 lole de, stereo output New features of Premium Edition and5.0-Audio PRO: This product has a circuit of charging and discharging, which can be powered by USB power supply, and truly realize the function of charging and discharging. Solve the pain points that some products cannot be used during charging. When powered by a single USB: the red light flashes, indicating that the power supply is normal. When powered by a single battery: the yellow light is always on, indicating that the battery power is normal; the yellow light is flashing, indicating that the battery is low. When the USB and the battery are connected at the same time: the red light flashes to indicate that the battery is being charged; the red light is always on to indicate that the battery is fully charged. (Note that if the USB input is suddenly disconnected during the charging and discharging proce, there will be a few seconds of interruption due to the switching of the charging and discharging mode, and then the Bluetooth will automatically restart, automatically connect and maintain the previous playback state) Incoming call voice call function: After the Bluetooth connection is complete, turn on the call audio mode in the Bluetooth settings. If the phone calls, you can answer or hang up the call through the PLAY/STOP on. You can choose to send the call from the microphone of the original headset (provided that the headset has the call function, which is 4-stage) or send the call from the onboard microphone When the computer sound card is used: Solder the pads in the two boxes corresponding to the Sound Card on the back of the module, and then connect it to the computer USB interface 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. (not enabled by default) 5.0 TPYE-C Features: 1. Connect and use 2. Ultra-small size 3. DIY embedded 4. Lole de 5. Power supply optional Product name: MP3 Bluetooth decoder board USB power supply: Universal TPYE-C 5V power supply Power supply: DC3.7~5V Signal-to-noise ratio: 90db THD+N: -70db Crotalk: -86db DNR: 91db Support configuration: A2DP/AVCTP/AVDTP/HFP Service level: > 5 meters

About shipping
Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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