【Secure & Comfortable】Ergonomic design optimized for ultimate wearing comfort to match your active lifestyle like running, cycling, driving, hiking gym exercise and other outdoor sports. Soft Material To Protect Ears, Make Your Phone Call and Music Time More Comfortable.Waterproof and sweatproof. 【Excellent Sound Quality】Quality sounds! True HD High Fidelity Sound Featuring latest Bluetooth 4.1 CSR technology and state of the art acoustic components that provide High-fidelity and natural Stereo Sound with super audio performance, produce incredible sound quality with deep bass and crystal clear treble. 【Latest Bluetooth 4.1 Technology】This device can be quickly paired with smart phones, as well as a variety of Bluetooth devices. Supports Multipoint Technology Can connect to two different devices in 10 meters range simultaneously. Guaranteed to be 100% secure & stable during intense exercise such as running, climbing,camping and other active sports even in a rainy day.