KSCAT Bluetooth Headphones Stereo Wireless Earphones for Running with Mic 6 Hours Play Time, Bluetooth V4.1, Sweatproof, Secure Ear Hooks Design, Black/Green/Blue HD Sound Quality: Strong audio drivers powered by CSR Bluetooth solution, offering these wireless earbuds balanced and crystal clear sound. CVC Noise Cancellation technology brings advanced audio enhancements and noise suppression to the near ends, enables users to listen to clearer sound from microphone even on the crowded street or mall. Sweat Proof and Ideal design for exercisers: IPX 4 water proof help to prevent any possible damage from sweating, or rain. Ergonomic ear-hook Design makes sure your wireless earbuds stay right in your ears when Hiking, Cycling, Jogging, or in the Gym. Up to 10m (33 ft) effective Range:The Bluetooth duty range is up to 10m/33ft, connects your Bluetooth device at a long distance away. Multipoint Connection: Multi-connection technology allow you to connect 2 Bluetooth enabled devices simultaneously, no longer need to switch between devices back and forth. Universal Compatibility: Supports iPhone, iPad, iPod touch, Android smart phones , tablets, and any other Bluetooth enabled devices.