Brand New Mini USB Optical 3-Button Scroll Mouse! Cute Mini Mouse work with usb and PS2(adapter included),Professional Black Color,Best for Notebook Users,especially for IBM PS/2 users! Very Easy to Install (Just insert the USB receiver and ready to go),and mini size best for travelers! Description:Stylish and high quality 800 DPI USB optical mouseThe computer mouse with innovative optical sensor technologyCompact and ergonomic easy-to-grap design,easy to carryNo moving parts and mouse ball to clean of the optical mouseSmooth, precise, easy to use wheel for scrollingComfortable fit for eithr hand and for long term useUSB mouse move more convenientlyThin and soft cable with slim USB connector,cable in approx. 125 cm long800 DPI precisionUSB 2.0 connectivityCompatible with:Windows 98/ME/2000/XP/SERVER 2003,MAC OSXDimension:120mm x 65mm x 35mm(L*W*H)Weight:139g