WK WS-03 Yindou Ear-mounted Air Conduction Bluetooth Earphone(Black)

1. Material: ABS+PC
2. Bluetooth version: V5.3
3. Playing time: 5-6h
4. Standby time: 10 days
5. Charging time: 1.5h
6. Charging case battery capacity: 400mAh
7. Frequency response: 20Hz-20KHz
8. Rated power: 5mW
9. Drive unit: 13mm
10. Input: DC 5V/320mA
11. Headphone battery capacity: 30mAh
12. 13mm large dynamic composite membrane speaker, restore CD-level sound quality
13. Semi-in-ear air conduction, excellent sound quality without sound leakage
14. Silicone ear hook design, more comfortable to wear