Wireless headset “ES57 Cool sound” bone conduction

ES57 Cool sound, wireless bone conduction headset, BT v5.0, 130mAh for 4.5 hours of calls and music, 100 hours of standby

1. Material: ABS.
2. BT v5.0. Chip: Pixart PAU1603.
3. Battery capacity: 130mAh, charging time is about 1.5 hours.
4. Talk / music time: 4.5 hours. Standby time is 100 hours.
5. Net weight: 34g.
6. Waterproof performance: IPX7 level.
7. Support Chinese and English prompt tone: double-click the multi-function button when headset is not paired, there will be a prompt sound.