Adesso iMouse E10 Vertical Ergonomic Optical 6Button 24 GHz RF Wireless Mouse Right Hand Orientation Black

6button wireless vertical ergonomic mouse Scalable DPI 800 1200 1600 24 GHz RF wireless technology Works up to 33 feet away Optical sensor for precise navigation 24 GHz Radio Frequency Wireless Technology and tracking method is optical sensor Ergonomic Vertical Design The vertical design provides better support for your forearm minimizing wrist pain that can come from twisting Back Forward Button for Convenience Two Internet navigational buttons back and forward are conveniently located on the left side of mouse to provide you with Internet browser control with minimal hand movement DPI Switch Button Quickly and easily adjust DPI resolution 100015002000 DPI for a faster response with the convenient DPI Switch located right beside your thumb BatterySaving Use the batterysaving onoff power switch on mouse base to extend battery life and reduce the need to change batteries 2 AAA Batteries Included Windows 87VistaXP2000 Mac OS X and above.