The Cx True Wireless lets you enjoy superior crystal-clear sound, excellent battery life, and effortless ease of use for an outstanding everyday audio experience. Enjoy signature sound with our 7mm dynamic drivers for 9 hours of playback time, 18 hours battery life via on-the-go charging. Experience excellent passive noise cancellation provided by the secure fitting ergonomic design. Control on the go is effortless thanks to intuitive touch controls for audio, calls, and voice assistant access.