Sensing method: New-generation of Advanced optical tracking Resolution dpi: 1000 Total number of buttons: 3 Scroll Wheel: Yes Tilt function: No Unifying-ready: Yes Battery: 1-AA Battery life: 18 months* *Battery life may vary based on user and computing conditions. Operation distance: 25m (around 80 ft) maximum* *Distance may vary based on environment. Wireless system: Advanced 2.4GHz wireless technology Connection I / F: USB
A versatile stereo headset that makes it easy to start talking to friends online. The noise-canceling microphone reduces background noise and rotates out of the way when you’re not using it. Why stop at Internet calls? Your headset is ready for music, movies and games, too. You can adjust the headband for the right fit—and wear your microphone on whichever side you want.
A durable duo that brings comfort, style and simplicity together. Feel-good typing Your hands will enjoy the low-profile, whisper-quiet keys and standard layout with full-size F-keys and number pad.