The ATH-SPORT70BT wireless in-ear headphones feature 9 mm performance-enhanced, carbon-coated drivers to deliver amazingly clear and powerful audio to fuel your workouts. The comfortable ear-hook design keeps the headphones securely in place, allowing you to stay active while remaining connected to your phone or other Bluetooth wireless device. The in-line mic and controls let you easily answer calls and control your music, and the switchable ambient noise hear-through function (activated simply by tapping the left housing) gives you the choice of hearing the sounds around you for safer use outdoors. The headphones are IPX5 Waterproof Certified*, so you can wash them off when your workout is through. Bluetooth wireless technology with in-line mic and controls for convenient handling of calls, music playback and volume adjustment. Lab tested and certified IPX5 waterproof rating allows headphones to be washed after use. Switchable ambient noise hear-through function allows you to hear people and traffic around you for safer use outdoors. Internal battery provides six hours of continuous use on a full charge. Includes standard eartips (XS, S, M, L, Comply foam eartips (M with SweatGuard technology, 30 cm (1' USB charging cable, and hard carrying case. 9 mm performance-enhanced, carbon-coated drivers for amazing wireless audio. Supports high-quality AAC codec. Ear-hook design provides a secure fit for active use.