Focus when you need it: Active noise cancellation lets you tune out background noise whenever you need to. Crystal clear calls: 6 microphones and own voice adjustment, for clearer calls and meetings. Spine-tingling sound: Hear music the way it should be heard, with finely tuned acoustics. Connect quickly: Fast Bluetooth connections on up to two devices at once, taking you from work to play. Powerful battery: Up to 20 hours of calls, music and more, when earbuds and case are fully charged. Includes USB-C Cable, Charging Case, and Dongle.