E57 Essential wireless headset, 170mAh for 10 hours of calls and music and 200 hours of standby
1. Material: ABS.
2. Sizes: 71*26*16mm. Weight: 10g.
3. BT 5.0, chip: BK3266.
4. Battery capacity: 170mAh. Charging time: about 1.5 hours.
5. Talk / music time: 10 hours.
6. Standby time: 200 hours.