Ablenet Tiny Mouse with 2 Buttons and Scroll Wheel, Wired. Half the size of a standard mouse - Optical - Black - 1 Pack - USB - 800 dpi - Scroll Wheel - 2 Button(s)

Connector: USB with PS/2 adapter included CPSIA Tested Compatibility: Windows 98SE, 2000, ME, XP, Vista, MAC OS 10.1.5 and higher 2 buttons with scroll wheel 800 dpi Optical Tracking Environmental: RoHS Compliant Safety: FCC CE Approved