Rechargeable battery that lasts up to 12 hoursBuilt-in microphoneStereo output mode

Introducing Grind with Skull-iQ Smart Feature Technology. Hands-free Voice Control gives you absolute authority over your audio using only your voice — and that’s just the beginning. Voice Control means you never need to drop what you’re doing. Play, pause, adjust volume, skip tracks, answer calls, launch Spotify, activate Stay-Aware Mode and more, all without ever touching your device.