Model Number: T28 Pro
- Bluetooth version: V5.1 (Jerry)
- Interface: Type-C Charging
- Sensitivity: 96 ±3db
- Battery capacity: 35mAh
- Talk time: 7H
- Music time: 6H
- Charging time: 1H
- Standby time: 300H
- Charging bin capacity: 500MAH
- Earphone + charging bin with use time: 35H
- IPX6 level Strong waterproof and sweatproof