Features:
1. IPX4 life-level waterproof, no fear of sweat
2. Lightweight and compact, easy to carry around
3. Smart LED digital display design, power can be seen at any time
4. Smart touch buttons, convenient to use

Product parameters:
1. Material: ABS, electronic components
2. Functions: battery display, call function, music support
3. Bluetooth protocol: 5.1
4. Bluetooth transmission distance: 15 meters
5. Channel: stereo
6. Headphone battery capacity: 35mAh lithium battery
7. Battery capacity of the charging box: 230mAh lithium battery
8. Battery life: 3.5 hours
9. Net weight: about 45 grams