Pkparis K'ASQ - Fully Wireless Bluetooth Earbuds (Cordfree Fitness Sport) - Grey Completely Wireless : Enjoy Your Music and Make Calls in Total Freedom Designed for Sport : Comfortable With Strong Fit System, Sweat and Waterproof 10 Hours of Battery Life, Includes 5 Hours from Portable Charging Case Hi-Fidelity Sound : Certified by AA Lab, 40% passive noise reduction.Perfect Fit : 3 different Anti-fall Wings and 3 sized tips + 3 color rings to match your style Kasq is so light (only 0,3 0Z per ear) that you forget it easily. Using it is easy and instinctive thanks to its three large buttons.