Designed by Ross Lovegrove, the KEF Mu3 earbuds deliver pure, accurate sound with Active Noise Cancellation and an Ambient mode for situational awareness. Ergonomic, splash-proof (IPX5) true wireless earbuds pair via Bluetooth 5.0 and support wireless charging. Enjoy up to 9 hours per charge plus 15 hours from the charging case (up to 24 hours total); a 5-minute fast charge gives 1 hour of use. Built-in mic and simple controls let you take voice calls on the move.