Built-in 18650/2000mAh battery. The measured playback time is up to 4 hours, and the mid-low volume playback time is up to 8 hours.
To the speaker as the center, the diameter of the 40-meter range of music clearly presented.
The USB data line is used to connect the machine with the computer, and a data line is used to realize audio transmission and charging at the same time.
The speaker button controls the last song/ next song/ playback/ pause fundion of the computer side music playback software.
Buit-in microphone, when the computer uses voice / video calls, there is no need to connect to the extemal microphone.

Specification:
Cabinet Material: plastic
Channels: 2 (2.0)
Output Power: 20W
Support Memory Card: Yes
Playback Function: FLAC
Display Screen: No

Package Include:
1* Sound bar

If you have any questions about the product, please contact me, we will contact you within 24 hours and give you a satisfactory answer.