Anivia A8 Bluetooth Telephone Headset with Noise-cancelling Microphone(Black) Tag-iPhone 4/4S Parts 57inch * 2

57inch * 2

Replacement LCD display + touch screen digitizer assembly for Tecno Spark Go 2020 / Spark 6 Go KE5J KE5K KE5S / Infinix Hot 10 Lite X657B / Infinix Smart 5 X657 X657C

Replacement LCD Screen + Touch Screen Digitizer Assembly for OPPO R9s

powerful function

Anivia A8 Bluetooth Telephone Headset with Noise-cancelling Microphone(Black) Tag-iPhone 4/4S Parts 57inch * 21. Receiving distance: 8 15 meters 2. Microphone type: single point silicon microphone 3. Microphone sensitivity: 34db+ 3db 4. Battery capacity: 250mah 3. 7V 5. Continuous working time: about 20 hours 6. Charging time: 2 hours 7. Static standby time: about 200 hours 8. Speaker impedance: 32 ohms 9. Speaker diameter: 30mm 10. Speaker sensitivity: 111+ 3db 11. Speaker output power: 15mw 30mw 12. Frequency response: 20hz 20khz 13. The earmuffs are soft