Model Number:BT03
Style:Ear Hook
Communication:Wireless
Connectors:USB
Function:Bluetooth, Microphone, Noise Cancelling, Waterproof
Impedance:20HZ~20KHZ
Sensitive:103±5db
Chipset:Jianrong 4.2
Battery:80mAh(with protect IC)
Playtime/Talking time:5 hrs
Charging time:1-2 hrs
Signal Distance:10M
Headphone shell:Metal houses with magnet attractive