Tech specs
Advanced ergonomic design Advanced ergonomic design encourages natural hand and wrist postures
Mouse angle and height Mouse angle and height are designed to place wrist in a comfortable position and reduce pressure on carpal tunnel area
Thumb scoop Thumb scoop helps to maintain the correct ergonomic hand and wrist position
Windows button Windows button for one-touch access to the Start Menu.
Back button Back button for faster navigation
Four-way scrolling Scroll left, right, front and back. Quickly navigate all of your projects with speed and efficiency.
Connectivity USB
Hard Drive space 150 MB Hard Drive
Other information 2 AA alkaline batteries required (included)
System requirements
Computer Requires a PC that meets the requirements and installed operating system below
Operating systems
Compatible  Windows
Win 10 64 bit
Win 10 32 bit
Win 8.1 32 bit
Win 8.1 64 bit
Win 8 32 bit
Win 8 64 bit
Win 7 32 bit
Win 7 64 bit
Win RT 8.1
Win RT 8
Mac OS X
Mac OS 10.10
Mac OS 10.9
Mac OS 10.8
Mac OS 10.7
Android
Android 5.0, Nexus 9

Limited Functionality Android 4.4.4, Nexus 5
Android 4.2
Android 3.2

Not Compatible  iOS
iOS 7 : X
iOS 6 : X
Warranty 3 Years