Active Noise Cancellation quiets the outside world. Audio Passthrough lets the world in when you want. Background noise cancellation during calls. Up to 6 hours of battery life with an additional 3 charges from case. Ear touch control skip tracks change volume answer calls and more. IPX5 Rated water and sweat resistant for active lifestyles. House of Marley app supports custom EQ and control. Made from bamboo natural wood fiber composite and recycled plastics. Includes 3 pairs of ear gels and USB-C charging cable.