1. Bluetooth version: 5.0, chip: JL AC6936D
2. Battery capacity: 350mAh charging box, 40mAh left and right headsets
3. Charging time: 1.5 hours for charging box, 1 hour for left and right headsets
4. Talk/music time: 4.5 hours, standby time: 180 hours
5. Size: 79*45.2*31mm, total weight: 28g
6. Support leader-follower switching, charging box LED digital display for power level