Product features1. Using the chip: CSR bc86352. Bluetooth version: Support Bluetooth v4.1 + EDR specification. Built-in a2dp function.3. Bluetooth protocol: A2dp1.2, avrcp1.0, hfp1.64. Wireless frequency range: 2.4ghz ~ 2.483ghz5. Modulation: Gfsk6. Headset power: Class 2 (10m, 33ft)7. Audio frequency range: 20hz ~ 20khz8. Speaker size: 11 speaker copper ring9. Microphone: Back-type 4015 / -42db10. Battery capacity: Rechargeable polymer lithium battery (80mah)11. Charging time: About 2 hours12. Charging voltage: DC 5v13. Communication time: 5-7 hours14. Play time: 5-7 hours15. Standby time: Up to 220 hours.
With CVC 6.0 technology, intelligent noise reduction, communication and music more clearly. Connectivity Technology: Wireless
Using the latest Bluetooth 4.1 CRS technology, within 10 meters 33 feet of accessibility, you can connect two mobile phones at the same time
4, long battery life: 2 hours can be fully charged, the headphone allows 220 hours of super-long standby or 7 hours of music playtime