WK Beluga S9 Wireless Bluetooth Headphones with Noise Cancelling and Color Display

1. Material: ABS+PC
2. Bluetooth version: V5.4
3. Playback time: 6 h
4. Standby time: 32 h
5. Charging time: approximately 1.5 h
6. Charging case battery capacity: 500 mAh
7. Frequency response: 20 Hz-20 KHz
8. Rated power: 3 mW
9. Drive unit: 13mm x 2
10. Input: 5V-300mA
11. Headphone battery capacity: 40 mAh
12. Screen size: 1.47 inches
13. Screen resolution: 172 x 320 px
14. ANC+ENC intelligent noise reduction, noise reduction depth -35 dB
15. Full-color intelligent LCD touch screen, music business class
16. The smart screen can display battery level, Bluetooth connection status, volume, upper and lower music, etc.