Stereo Audio Amplifier Bluetooth-Compatible 4.1 Bluetooth-compatible Audio Receiver Board 3.7-5V Car Speaker Amplifier BT5.0

Bluetooth-compatible Audio Receiver Board 3.7 -5V Car Speaker Amplifier Bluetooth-Compatible 4.1 MP3 Lossless Decoder Board BT 5.0
Specification:
Origin: Mainland China
Type: Module
Condition: New
Supply Voltage: 3.7 -5 V
Model Number: Bluetooth-compatible Audio Receiver Board
Bluetooth-compatible decoder board-DY, support Bluetooth-compatible 5.0, support auto-link function, support WAV+APE+FLAC+MP3 lossless decoding, stereo output.
Operating instructions:
Use the USB cable to supply power, the blue indicator light flashes, enter the Bluetooth-compatible mode, when you hear the voice announcing "The Bluetooth-compatible device is ready to pair'", it means enter the Bluetooth-compatible mode and wait for the pairing.
The Bluetooth-compatible device is ready to pair'", when you hear the voice announcement "The Bluetooth-compatible device is connected successfully", it means that the decoder board and mobile phone are connected successfully.
When you hear the voice announcement "The Bluetooth-compatible device is connected successfully", it means the decoder board is connected successfully with the mobile phone, and the blue indicator light will be on to play music.
Product Highlights:
BT 5.0 Audio Pro continues the BT 5.0 Audio's excellent basic functions (long-distance transmission, Bluetooth-compatible 5.0 backwards compatibility, lossless sound quality, etc. ), and adds more humane performance

1. Charge and play at the same time:
This product has a charging and discharging circuit, you can charge the battery directly through the USB power supply, and in the charging process Bluetooth-compatible can continue to work normally, truly realise 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 battery alone: the yellow light is always on, indicating that the battery power supply is normal; the yellow light is flashing, indicating that the battery is low.
When USB and battery are accessed at the same time: red light blinks to indicate that the battery is charging; red light is always on to indicate that the battery is full.

2.
Incoming voice call function:
After the Bluetooth-compatible is connected, turn on the call audio mode in the Bluetooth-compatible settings, if the mobile phone is calling, you can answer or hang up the call by PLAY/STOP button.
You can choose to send a call from the original headset microphone (provided that the headset has a call function, 4-segment) or from the on-board microphone (default).

3.
As a computer sound card:
Sound Card on the back of the module corresponding to the two boxes in the pad on the tin, at this time through the usb cable to the computer USB interface, can be used as a sound card.
That is, the sound played by the computer through the module's audio interface output. (Not enabled by default)
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Viewing distance: >15m
Product Size: 30.00 x 30.00 x 5.00 mm/ 1.18 x 1.18 x 0.2 inch
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
1 x Bluetooth-compatible Audio Receiver Board