Features: The BT headset uses stylish shape design and has beautiful streamline appearance. Uses the renowned stereo BT 3.0 chip to ensure high-fidelity sound quality, stable performance and excellent communication effect. Built-in high-performance Microphone and Speaker. Noise Reduction echo cancellation; Enhanced Audio and Bass Response. Support multipoint connections: Can simultaneously connect two mobile phone. And, it supports auto-reconnect. Supports hands-free call, thoroughly set free you hands from answering the call during exercise or travel. Compatible with almost all BT-enabled mobile devices such as, for iPhone6 6Plus 5S, for Samsung Galaxy S5 S4 S3 / Note 4 3 2, for HTC One, Tablet PC, Laptop, etc. Enjoy music wirelessly, easy to switch between calls and music, you will not miss any incoming call whilst listening to music. Easily control playing / pausing, adjusting the volume, previous / next songs, answering / rejecting / ending an incoming call and redialing the last number. The spongia ear cushion can greatly insulate the sounds around you, so you can hear your call clearly, but also let you comfortable to wear. Adjustable headband for comfortable wearing. Low power consumption, the standby time up to 360 hours. Powered via a micro USB charging port (DC 5V). It is perfectly suitable for bicyclist, runners, joggers, walkers, climbers, etc Built-in rechargeable Li-battery.