Features: [Ear-free Keeping Danger Away] Release your ears to listen the world, you can response to the surrounding situation quickly, far away from dangerous, suitable for many indoor and outdoor activities. [More Comfortable and Healthier] The sound transmits through the bone to auditory nerve, no eardrum damage, healthy, scientific and comfortable, very good for child, the young and the old to avoid ear damage, also suitable for people who has trouble in listening. [Keeping Ear Disease Away] No need to put into ear, easy to clean, avoid ear disease caused by sweat in ears when excercising. [Perfect Sound Quality] Built-in high-performance Microphone and Speaker, offering you perfect sound quality and clear communication effect. [Sweat-resistant] Sweat-resistant design immerse you in sports and music, no need to worry about sweat. Suitable for walking, hiking, running, climbing, skating, driving and other activities. Offers Much More Convenience: * Supports hands-free calls, greatly set free you hands from answering the call during exercise. * Enjoy wireless music, easy to switch between calls and music, you will not miss any incoming calls whilst listening to music. * Compatible with almost all BT-enabled mobile devices such as, for iPhone 7 6Plus, for Samsung S7 S6 / Note 5, etc. * Creative ergonomics design, balanced wear, tight on the ear. Note: Pattern of this headphone is random.