WK V49 Sport Neck-mounted Bluetooth Earphone, V49

1. Bluetooth version: 5.0
2. Transmission distance: 10m
3. Playing time: 10-12 hours
4. Battery capacity: 100mah
5. Impedance: 32 ohms
6. Frequency response: 20Hz-20kHz
7. Rated power: 11mW
8. Drive unit: 10mm
9. Input: DC 5V 500ma
10. Standby time: 2 years
11. Charging time: 2 hours
12. Magnetic absorption design to prevent slipping and loss
13. Liquid silicone hanging neck design, free to bend
14. Life-grade waterproof can effectively prevent sweat
15. Dimensions: 206x171x35mm
16. Weight: 21.5g