Logitech Wireless Headset H800 for PC, Tablets and Smartphones in Bulk Packaging Plus Free 3 ft USB Extender Headset comes Bulk Packaged and Includes Bonus USB Extender. Nano receiver comes stored in compartment outside of left ear Six-hour rechargeable battery : Listen and chat longer with easy USB charging Rich digital stereo sound: Laser-tuned speaker drivers, built-in equalizer and noise-cancelling mic for crystal clear calls and music Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit 40 ft. wireless range: Listen and chat up to 12 m from your PC-or pair with your smartphone or tablet using Bluetooth