Logitech Optical B100 USB White

Colour - Black Orientation -Right and left-handed Connectivity Technology - Wired - USB Movement Detection Technology - Optical Buttons Qty - 3 Movement Resolution - 800 dpi Features - Scrolling wheel Cables Included - 1 x USB cable - integrated - 1.8 m OS Required - Linux 2.4 or later, Microsoft Windows 7, Apple MacOS X 10.3.9 or later, Microsoft Windows Vista / XP Microsoft Certification - Compatible with Windows 7