1.Fashion design, let music surrounding your life any time. 2.handsfree function, turly free your hand. 3.Set-in rechargeable Li-ion battery, long stand-by and working time. support power displaying on iphone, easy to know when will to be charged. 4.New waterproof structure design,supports the Siri intelligent voice control function of the IOS 4.0 and above, and suports android intelligent voice control function, convenient, quick and intelligent.

5.Using the latest BT5.0+EDR Bluetooth technology, superior signal transmission, ultra-low power consumption, automatic answering function, switchable manual answering phone function, safe and fast, built-in high quality anti-interference microphone It can effectively realize hands-free answering and hang up calls. High fidelity sound , support last song or next song function, volume addition and subtraction, playback pause, automatic callback and other functions.

Specifications: BT Version:V5.0+EDR Frequency:2.40GHz-2.480GHz Range:20-30 meters(depending on device) Transmission distance of microphone: no more than 1 meter. Li-ion battery: 3.7v/820mAh Playback time: no more than 70hours Charging voltage: 5V Standby time : 280hours.

Notice: 1.the device will need to be fully chargeed prior to inital use( about 2 hours) when you receive it. 2.when charging,the red light will on and will off when full charging. 3.the device can not be music playing and call answing while it is charging.