Bluetooth Version：V5.1

Speaker: Φ40mm

Battery:400mAh 

Playing time: Up to 8H（100% volume）

Talking time: Up to 8H

Charging time: About 2.5H

Standby time: Up to 600H

Function: Bluetooth+Micro SD+AUX+FM

TYPE C port

Product size: 190*176*73mm

Material: PU+ABS

1、Ergonomics Design

2、Foldable and Stretchable

3、8 hours playtime

4、90° swiveling earcups