Stream music from your smartphone, tablet, or any Bluetooth enabled device or take a call mid-playlist. Virtual 3D surround-sound technology creates an immersive soundscape for movies, games, and music Integrated buttons allow you to answer calls through the headset, adjust volume and skip music tracks. Active Noise Cancellation eliminates unwanted noise without sacrificing sound quality. Complies with CPSIA, Prop 65. 3.5" W x 7" H x 7.5" L