Logitech H800 Bluetooth Wireless Headset with Mic for PC, Tablets and Smartphones n/a Imported 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. Input impedance: 32 Ohms Six-hour rechargeable battery : Listen and chat longer with easy USB charging. Frequency response (Headset): Wideband: 30Hz to 15KHz, Narrowband: 40Hz to 3.2KHz. Frequency response (Microphone): 100Hz to 6,500Hz Padded comfort: Adjustable padded headband and sculpted ear cups for a feel-good fit Works with common calling applications across almost all platforms and operating systems Windows, Mac OS or Chrome OS Available USB A port