Truly wireless earbuds with soft cushioned arc supporter Get deep in the zone with digital noise cancellation. Effective Range-Line of sight approx 30 feet Battery life up to 9 hours 18 total hours with carrying case, or up to 13 hours 26 total hours with noise canceling disabled IP55 sweat and splash-proof design for worry-free use and cleaning Extra Bass sound with deep, punchy low end Built-in microphone for clear-sounding hands-free calls and use with your voice assistant Alexa enabled for voice access to music, information, and more. Activate with a simple touch Touch sensor controls to pause play skip tracks, control volume, activate your voice assistant, and answer phone calls Quick attention mode and wearing detection make conversations effortless Smart listening technology with sense engine