1. Bluetooth V5.3: AD6976D8 chipset
2. Battery capacity:
+ Charging box 480mah
+ Earbud 40mah
3. Full Case Charging Time (hours): 2 hours
4. Full Charges with Case: 4 times
5. Music Playing time: 6 hours
6. Talking time: 4 hours
7. With USB Type-C charging cable and packaging