OVERVIEW   A versatile headset that lets you get comfortable with digital sound.   Feeling good - You’ll be comfortable with this headset thanks to the plush ear pads and padded headband that adjusts to you.   Loud and clear - The noise-canceling microphone cuts background noise—and rotates out of the way when you’re not using it.   Easy listening - You’ve got it easy—this plug-and-play USB headset gives you quick access to volume and mute controls.       SPECIFICATIONS   System Requirements PC: - Windows® 2000 Windows® XP Windows Vista™ Windows® 7 - USB port   Mac: - Mac OS® X (10.2.8 or later) - USB port     Warranty Information - 2-year limited hardware warranty   Package Contents - Logitech® USB Headset H390 - Quick-Start Guide   Technical Specifications Frequency response:  - Headset: 20 Hz–20 kHz  - Microphone: 100 Hz–10 kHz - Input sensitivity: -62 dBV/µbar -42 dBV/Pa +/- 3 dB - Cable length: 8 feet - Connections: USB compatible (1.1 and 2.0)