ONIKUMA B3 Bluetooth 5.3 Foldable Wireless Bluetooth Headphone with Microphone (Black)

1. Driver diameter: 40mm
2. Chipset: 7006F4
3. Support protocols: AVRCP1.4, A2DP1.2, HFP1.6, HSP1.2
4. Audio decoding: WMA, APE, FLAC, AAC, M4A, WAV, AIF, AIFC
5. Bluetooth distance: 10m, Bluetooth version: 5.3
6. Frequency: 2.402GHz-2.480GHz
7. Microphone sensitivity: -42+/-3DB
8. Sensitivity: 116+/-4dB
9. Impedance: 32 ohms
10. Frequency response range: 20HZ-20KHZ
11. Battery capacity: 800mA
12. Playing time: about 6 hours
13. Audio delay: 40-60mS
14. Charging time: about 1.5 hours
15. Cable length: charging cable: 3.0x450mm, adapter cable: 3.5x1200mm