Tooks NextGen SPORTEC SKULLY Performance Headphone Beanie With Built-in Removable Headphones | New Inline Remote with Microphone, Volume Adjust and Music/Call Control | COLOR: BLACK Performance skull cap with integrated removable headphones New Inline Control With Microphone For Volume Adjust, Music Play/Pause & Next/Prev Track, and Handling of Phone Calls (Answer/Hangup/Reject). Apple iOS and Android compatible. Initiate voice command if available on your device Comfortable fit and feel, Superior sound quality Wear standalone or under helmets, Standard 3.5mm plug fits all common audio devices