In-ear, Bluetooth, Active Noise Cancellation, Up to 8 Hours of Playback, Charging Case for 16 Extra Hours, Quick Charging Times 5 Minutes for 1 Hour, IPX4-Rated Sweat & Water Resistance, Compatibility: Works With- Siri, Pairing on Apple & Android, One-Touch Pairing, Controls: Left Earpiece, Right Earpiece, Microphone: Left Earpiece, Right Earpiece