1. Material: ABS.
2. BT 5.0, chip: blue trum BT8895B.
3. Battery capacity: 130mAh, charging time is about 1.5 hours.
4. Talk/music time is 4.5 hours, standby time is 100 hours.
5. Net weight: 34g.
6. Waterproof performance: IPX6 level.
7. Support Chinese and English prompt sound: when not paired, double-click the multi-function button and there will be a prompt sound.