Specifications:
Brand: Lenovo
Ergonomic design with smooth lines and comfortable grip
Classic business appearance design of ThinkPad, suitable for both left and right-handed users
Four-way scroll wheel supports Win7 and above systems
LenovoMouseSuite software allows customization of new features and shortcuts for Win8 (only supported by wireless version, not dual-mode version)
Easy setup process with LenovoMouseSuite software for customizing Win8 operations
Automatic driver installation when connecting mouse to laptop
MouseSuite update program for automatic driver updates
Product Name: ThinkPad Wireless Blue Light Mouse
Model Numbers: 21851 (formerly 0B47161), 21850 (formerly 0B47166), 21852 (formerly 0B47162), 21853 (formerly 0B47164)
Colors: Midnight Black, Graphite Black, Charm Red, Meteorite Silver
Mouse Dimensions: 98Ã56Ã32.2mm
Mouse Weight: 54.9±5g (excluding battery), 103.85±5g (including battery)
Receiver Dimensions: 19Ã14.6Ã6.3mm
Operating System: Any system with a USB interface
DPI: 1200
Package Contents: Mouse, wireless receiver, 2 AA batteries, warranty card, user manual
Warranty: 1 year repair service