1. Model: Airbuds 4
2. Bluetooth Scheme: Jieli 6983D4
3. Bluetooth Version: V5.4
4. Bluetooth Effective Distance: 10 meters
5. Earbud Battery Capacity: 30mAh
Charging Case Capacity: 250mAh
6. Charging Time: 1 hour
7. Music Time: Approximately 4.5 hours (at 80% volume)
8. Talk Time: Approximately 3.5 hours (at 80% volume)
9. Standby Time: 50 hours for the earbuds
10. Charging Interface: Type-C