awei TZ9 OWS Open Wireless Bluetooth Earphone

1. Bluetooth version: V5.3
2. Charging case battery capacity: 300mAh
3. Headphone battery capacity: 50mAh
4. Play time: 7h
5. Talk time: 6h
6. Bluetooth operating frequency: 2402-2480MHz
7. Interface: Type-C
8. Speaker: 15.4mm
9. Maximum transmission distance: 10m
10. Waterproof level: PX4 (only for headphones, charging case is not waterproof)
11. Channel system: stereo
12. Wearing protection: ear hook