F6 Bluetooth Headset Mini Invisible Ear Business Digital Display Earphone, F6 Black, F6 White Option:F6 White Other functions : Do not

Other functions : Do not disturb mode

for connecting with host control boards

Karaoke function: supports dual microphone wireless

Large enough space

60 FPS 640 x 480

F6 Bluetooth Headset Mini Invisible Ear Business Digital Display Earphone, F6 Black, F6 White Option:F6 White Other functions : Do not1. Bluetooth version: 5. 2 2. Battery capacity: 120mAh 3. Frequency: 40Hz 20KHz 4. Transmission distance: about 10 meters 5. Use time: about 68 hours for talking, about 30 hours for listening to songs 6. Charging time: about 1 hour 7. Impedance is: 32 ohms 8. Sensitivity: 85dB 9. Waterproof grade: IPX 5 10. Charging interface: Micro USB 11. Weight: about 5 grams Features: 1. Intelligent digital display battery 2. Effectively suppress noise and make