DESC: Chat, rock and surf on your PC, tablet or smartphone-with no wires to tie you down. Connect and control Easily connect to and switch between devices like your PC, tablet and smartphone with a full set of on-ear controls. Front row, center Laser-tuned drivers and a built-in equalizer give you rich digital stereo that immerses you in your music and calls-and a noise-canceling microphone reduces background noise. Unleashed audio Roam up to 12 m (40 ft.)from your PC using the tiny nano receiver-or pair with your smartphone or tablet using Bluetooth.