Microsoft Earphones Open-type casual/sports, products from Japan

With an ultra-comfortable design, intuitive controls, access to the innovative Microsoft 365 Experience (sold separately), and lifelike sound for music and calls, you won't miss a beat.;Responsive touch surfaces allow intuitive gestures such as tapping, touching and swiping.;Compatibility Windows 10 or later, Android 4.4, iOS 9, Bluetooth 4.1/4.2;Size Each earphone: Diameter: 25 mm x 19.9 mm / Charging case: Length: 75 mm x Width: 33.2 mm x Height: 25 mm