Futaba USB 3D Optical Finger Handheld Wired Optical Gaming Mouse(USB, Black)

Description: Stylish and innovative ring style mouse, ergonomically design No mouse pad is required, it works on almost any surface: wood, glass, cloth, your leg, etc. An unique and great gift for your friends, family members and of course for yourself Plug-and-Play, no installation needed Perfect for computer and laptop use. Feature: Button: 2 buttons and scroll button Interface: USB Reading system: Optical sensor system Resolution: 1200dpi Color: Black System Requirements: Windows Me/2000/XP/Windows Vista Compatible with MS Windows 98/2000/me/XP/Mac OS 9 and above Package Included: 1 x Mini USB 3D Optical Finger Mouse 1 x USB Cable