Rich audio and clear calls even in noisy environments*Easily pairs with Android, iOS and other Bluetooth 4.0+ devicesUp to 24 hours of listening with wireless charging case*** Call quality depends on signal strength, environment, and many other factors. Actual results may vary.** All listening times are approximate and were measured using music playback on pre-production hardware and software. Battery life depends on device, features enabled, usage, environment and many other factors. Actual results may vary.