[D]

[E]

1.Parameter characteristics
Power Supply 3.7-5V
SNR 90dB
THD+N -70dB
Crosstalk -86dB
DNR 91dB
Support Profile A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS >15m

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 mode long light
3.5mm stereo audio interface Standard 3.5mm interface, output stereo sound source, plug in headphones, connect amplifiers and other devices

Instructions:
After the power is turned on, the indicator lights up and enters the mode; the English The device is ready to pair is displayed, indicating that the mode is entered and waiting for pairing; the XY_BT searched by the mobile phone is the device name of the decoding board. , Click on the connection, the decoder board prompts "The device is connected successfully", indicating that the decoder board and the mobile phone are connected successfully, you can play music. As shown below