Mouse Nano receiver 1 AA battery (pre-installed) User documentation
Warranty Information -
3-year Limited hardware warranty
OVER 90% NOISE REDUCTION -
With the same click feel and over 90% noise reduction on the click sound, enjoy a quiet experience for you and your neighbors. Plus, it has feet made of high performance material and a rubber wheel for quiet gliding and scrolling.
18-MONTH BATTERY LIFE -
Go longer between battery changes thanks to energy efficient engineering. M221 SILENT automatically puts itself to sleep when not in use.
COMFORTABLE SHAPE. MOBILE SIZE -
Ambidextrous design offers more comfort and precision than your touchpad. Its small size is perfect to toss in a bag and go.
QUIET MARK CERTIFICATION -
Logitech is the first mouse company in the world to receive the Quiet Mark certification. This international mark of approval award program from the UK Noise Abatement Society recognizes technology designed to reduce noise.