Logitech H800 Wireless Headset - Black.RFB

• 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-canceling mic for crystal clear calls and music. Sensitivity (microphone) 47dBV/Pa +/- 3dB. Sensitivity (headphone)- 97dB +/-3dB
• 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

On-ear controls

• Let you adjust the volume, switch tracks, mute the microphone, answer calls, and switch between devices
• Optimizes your sound whether you're chatting or listening to music. So small and unobtrusive, you can plug it into a USB port and forget about it
• Listen and chat longer wherever you are with the six-hour rechargeable battery. If you’re running low on juice, plug your headset into a USB port and recharge without skipping a beat
• You won’t have to compete with background noise to be heard which means crystal clear calls with work, family, and friends
• Minimize distortion for clear calls and music
• Roam up to 12 m (40 ft.) from your PC using the tiny, leave-in nano receiver
• It’s easy to pair your headset with your smartphone or tablet using Bluetooth
• The lightweight headset folds up like sunglasses when you’re ready to hit the road
• You can position the microphone right where you want it and rotate it up so that it discreetly hides in the headband when you’re listening to music or watching a movie