Tws I7 Twins Wireless Earbuds Bluetooth V42 Stereo Headset Earphone All For

Tws I7 Twins Wireless Earbuds Bluetooth V42 Stereo Headset Earphone All For

Description: Product parameters 1. Drive: 15mm 2. Impedance: 32 OHM 3. Bluetooth version: Bluetoth v4 .2 + EDR 4. Bluetooth use frequency band: 2.4 GHz 5. Power Level: CLASS II 6. Output power: 30mW 7. Bluetooth distance: 10 M accessibility 8. Frequency response: 20-20000Hz 9. Operating voltage range: 3.0 V-4 .2 V. 10. Head sensitivity: -42 dB 11. Have A2DP/AVRCP high-quality stereo audio transmission and remote control protocol 12. Powerful noise reduction circuit(active noise reduction) 13. The charging time is about 1 hour(power indicator charging: red light light, full of electricity: red light goes out(blue light). )) 14. Product size: 25mm in diameter. 15 mm wide. 35 mm high 15. Product net weight approximately 8G 16. Telephone call time is approximately 120-160 minutes 17. Music time is about 120-160 minutes 18. Standby time is about 96 hours 19. Charging time is about 40 minutes 20. Battery capacity 40MAH(charging warehouse 600MAH) 21. Charging power supply: DC5V power supply[round hole interface](computer USB port, mobile phone charger, car charge) Function: 1. Listening to songs and phone calls, supporting listening to songs and answering calls, 2. Telegraph number, final code back dial, full intelligent Chinese and English tone prompt, boot, pairing, off and off the phone low power will be voice prompt; 3. One drag and two connection, can connect 2 mobile phones at the same time; 4. Bluetooth headset each time connected to the mobile phone shut down, and then turn on Bluetooth headset will automatically connect to the mobile phone, and it is convenient and faster; 5. Intelligent Compatibility: Supports all Bluetooth mobile phones, tablets, notebooks, singing bars, Q music, movies, etc., all GM mobile phones;