• Equipped with 3.7-5V power supply pad to realize the external 3.7-5V lithium battery 

• Standard 3.5mm stereo audio interface outputs stereo sound source, headphones, and other equipments can be connected to it

• Installed with true stereo 5.0 chip ensures the high sound quality

• Support automatic connection function, support WAV+APE+FLAC+MP3 lossless decoding

• Bluetooth 5.0 for low power consumption

Specification:

• Power Supply: 3.7-5V

• SNR: 90dB

• THD+N: -70dB

• Crosstalk: -86dB

• DNR: 91dB

• Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP

• LOS: >15m

• Size: 30 x 30mm

• Weight: 6g

• USB power supply: Universal Micro USB 5V power supply