WK V39 Foldable Wireless Bluetooth Headset, M10

1. Impedance: 32 ohms
2. Frequency response: 20Hz-20kHz
3. Rated power: 40mW
4. Drive unit: 40mm
5. Bluetooth version: 5.0
6. Charging time: 2 hours
7. Standby time: 1 year
8. Average battery life: 14-15 hours
9. Foldable design, easy to carry
10. Ergonomic design, comfortable to wear
11. Support multiple playback modes: bluetooth/wired/SD card
12. Dimensions: 180x176x74mm
13. Weight: 178g