Wonderford I7 Mini Bluetooth Earbud Single Wireless Invisible Headphones with Mic

Description

Note:The headset is only 1pc ,it's not 1 pair. The Left ear headset only can use for Left ear 1. Drive: 15mm 2. Impedance: 32 OHM 3. Bluetooth version: Bluetooth v4.1 + EDR 4. Bluetooth use band: 2.4GHz 5. Power level: CLASS II 6. Output power: 30mW 7. Bluetooth distance: 10 meters barrier 8. Frequency response: 20-20000Hz 9. Operating voltage range: 3.0V-4.2V 10. Mitou sensitivity: -42dB 11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol 12. Powerful noise de-noising circuit (active noise reduction) 13. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully) 14. Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).) 15. Product Size: Length 25MM. Width 15MM. High 35mm 16. Product net weight of about 5g 17. Talk time is about 4-5 hours 18 music time about 4-5 hours 19. Standby time is about 120 hours Packaging includes: 1pc HBQ i7 Bluetooth earphone ( only 1pc ,it's not 1 pair ) 1pc Charging USB Cable 1pc User Manual