TWS bluetooth headphone

• Min. Order:3000

1, Bluetooth chip: Henglan BT5335
2, Bluetooth version: 5.0 + edr
3. Bluetooth protocol: HFP, HSP, A2DP, AVRCP
4, transmission distance: 10m
5, battery capacity (charging bin) 400MAH
6. Battery capacity (single earphone) 50MAH
6, music playback time: 3.2H
7, talk time: ≈ 3h
8, charging time: <2H
9, charging interface: Micro USB
10. Speaker: 8 inch copper ring
11. Speaker impedance: 16 Ω
13. Waterproof rating: IPX4