<ul><li>All the controls at the tip of your finger. Control playback, volume, calls, and more using the intuitive touch controls.</li><li>Features Smart Active Noise Cancellation which keeps track of environmental sounds to eliminate external noise.</li><li>Up to 40 hours of use with Bluetooth and ANC enabled from a full charge.</li><li>Fast charging gives you 8 hours of playback from only 15 minutes of charging.</li><li>High resoltion sound delivered by aptX HD over Bluetooth 5.1 .</li></ul><br><br>Mu7 Noise Cancelling Over-ear Wireless Headphones deliver pristine, accurate, high-resolution sound on the go. Designed in collaboration with visionary designer Ross Lovegrove, the comfortable, intuitively easy-to-control Mu7 also features Smart Active Noise Cancellation for exceptional sound, everywhere.

KEF Mu7 Noise Cancelling Wireless Headphones (Silver Grey), Adjustable