1. BT version: 5.0; Jerry 6936D chip.
2. Battery capacity: charging box 400mAh, single headset 55mAh.
3. Charging time: charging box 2 hours, headset 1.5 hours.
4. Calls / music time: 5 hours.
5. Standby time: 100 hours.
6. Total weight: 41g.
7. Support master-slave switching, touch function, summon Siri.
ES34 Pleasure wireless headset with mic, BT V5.0, 55mAh headset battery for 5 hours of calls and music and 100 hours of standby with 400mAh charging case.