Logitech H110 Stereo Headset Over-the-head Headphone 3.5mm Versatile Adjustable Microphone for PC Mac Loud and clear The noise-canceling microphone reduces background noise—and rotates out of the way when you\"re not using it. In stereo Why stop at Internet calls? Your headset is ready for music, movies and games, too. Wear it your way You can adjust the headband for the right fit—and wear your microphone on whichever side you want. Noise-canceling microphone It reduces annoying background noise and helps keep your conversations clear. Full stereo sound This headset isn\"t all talk—stereo sound means you can use it for movies, music and games, too. Flexible, rotating boom You can position the microphone where it picks up your voice best—and rotate it out of the way when you\"re not talking. Versatile design The microphone can be worn on either your left or right side. Adjustable headband The headband adjusts to give you just the right fit. Color-coded 3.5 mm plugs Connecting is easy—the 3.5 mm plugs work with virtually any PC sound card. System Requirements Works with Windows. (Not for use with Apple computer hardware.) Sound card with 3.5 mm microphone-in and audio-out ports Warranty Information 2-Year Limited Hardware Warranty Package Contents Headset User documentation Technical Specifications Sensitivity: -58 dBV/µBar, -38 dBV/Pa +/- 4 dB Frequency response: Headset: 20 Hz – 20,000 Hz Microphone: 100 Hz –16,000 Hz 6-foot shielded cord 3.5 mm color-coded connectors Part Number PN 981-000459