F6 Bluetooth Headset Mini Invisible Ear Business Digital Display Earphone(White) Tape-Access Control System High quality back cover replacement

High quality back cover replacement for iPhone 8 Plus

Power supply indicator: battery powered

For Lenovo Ideapad 110

stable signal without delay

The resolution is improved

F6 Bluetooth Headset Mini Invisible Ear Business Digital Display Earphone(White) Tape-Access Control System High quality back cover replacement1. 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