1. BT v5.1. Chip: JL AC6973.
2. Battery capacity: charging case 400mAh, headset 35mAh.
3. Charging time: 1.5 hours for charging case, 1 hour for headset.
4. Talk / music time: 4 hours. Standby time: 200 hours.
5. Sizes: 59*59*26mm. Total weight: 42g.
6. BT v5.1, lower power consumption. Support leader – follower switching. Dual moving coil, better sound experience.
7. Only English is supported, language switching is not supported.