X58
1. Bluetooth chip: BK3266
2. Bluetooth version: 5.0V
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4. Transmission distance: 10m-100m
5. Battery capacity: 340MAH with protective board
6. Standby time:≈800h Music playtime: ≈ 25h, Talk time: ≈26H
7. Charging time : 2h
8, Speaker: F10 in real copper ring package adhesive sensitivity 94+3db
9,mic: 4015 sensitivity 42db
10. Charging port : type C
HF-7
1. Bluetooth chip: AB5616 A2
2. Bluetooth version: 5.0V
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4. Transmission distance: 10m-100m
5. Battery capacity: 230MAH with protective board
6. Standby time:≈340h Music playtime: ≈ 18h, Talk time: ≈20H
7. Charging time for case: < 2h
8, Speaker: 1009 in real copper ring package adhesive sensitivity 94+3db
9,mic: 4015 sensitivity 42db
10. Charging port : type C
X50
1. Bluetooth chip: BK3266
2. Bluetooth version: 5.0+edr
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4. Transmission distance: 10m
5. Battery capacity (earphone) dual 110MAH
6. Call time: ≦ 10h, Standby time: ≦15 days
8. Charging time: < 1.2h
9. Charging port: Micro USB
10. Waterproof grade: IPX5
11: Features: Faster Charging,HIFI Sound effects
12. Color:Grey Red Black
