The Bluetooth Stereo Headset comes with Ultra-small size & ultra-light weight, Bluetooth 4.0 chip and hands-free call with Built-in high-performance Speaker & Mic, offering wonderful music and clear communication, and you can easily realize the two thoughts and control your music and calls by the button of the headset. And, its hands-free function can set free you hands from answering the call during Driving & Travel. Moreover, Its lightweight and compact portable size is perfectly suitable for traveling use.