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
• Crosstalk -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 decoding board. , Click on the connection, the decoder board prompts ''The bluetooth device is connected successfully'', indicating that the decoder board and the mobile phone are connected successfully, you can play music.