1. Bluetooth version: 5.0; Chip: original PAU1603 2. Battery capacity: 3000mAh charging box; Left and right ears 30mAh each 3. Talk/music time: 3 hours (80% volume); Standby time is 200 hours 4. Weight: 3g(single ear); 109g(including charging bin) 5. Supports apple mobile phone popup with open cover, master-slave switch, and display of charge warehouse/Headset power 6. The Headset can be charged up to 30 times and can also be used as a mobile power source