F8 Bluetooth 5.1 Ear-Mounted Stereo Wireless Sports Earphone(Black+Blue) Brand_NILLKIN Using skin-like rubber paint surface

Using skin-like rubber paint surface design

Plug specifications: American

network player

Can connect with main brand IPC (private protocol and standard ONVIF)

F8 Bluetooth 5.1 Ear-Mounted Stereo Wireless Sports Earphone(Black+Blue) Brand_NILLKIN Using skin-like rubber paint surface1. Bluetooth version: 5. 1+EDR 2. Talk time: about 15 hours 3. Singing time: about 15 hours 4. Headphone battery: 75mAh 5. Wireless frequency: 2. 4GHz 6. Support protocol: A2DP1. 3 HFP1. 6 HSP1. 2 AVRCP1. 6 D11. 3 7. Transmission distance: about 10 meters 8. Charging voltage current: 5V 1A 9. Charging time: about 1 hour 10. Standby time: about 120 hours 11. Speaker impedance: 8mm 32 ohms 12. Microphone sensitivity: 42Db 13. Material: ABS, silicone 14.