Logitech M221 Silent Wireless Mouse Blue

Wireless Blue Optical Mouse, Nano Wireless Receiver, Quiet Click Sound, 3 Buttons, 1x AA Battery (Included), Up to 18 month battery life

Features
USB Wireless
Compact Mouse
1000 dpi Optical Sensor
Black with Blue Buttons
90% Reduction in Click Noise
Single AA Battery
Up to 18 Months Battery Life
Warranty
12 Month Return to Base Warranty

Specifications
Interface Nano USB Wireless Receiver
Wireless Range Approx. Up to 10m
Resolution (DPI) 1000
Battery 1x AA Battery (Pre-Installed)
Sensor Advanced Optical Tracking
OS Support Windows 7, 8, RT, 10 Mac OS X 10.5 or later Chrome OS Linux Kernel 2.6+
Dimensions (mm) 60.0 (w) x 39.0 (d) x 99.0 (h)
Weight Approx. 75.2g (Including Battery)