PC, smartphone and tablet headset: Easy to connect and switch between devices * Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music* * 40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth * Six-hour rechargeable battery : Listen and chat longer with easy USB charging * Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit