Kensington Expert Mouse 64325 Trackball - USB w/PS2 Adapter
by Kensington
SKU KMW64325
Optical - Cable - Black, Silver - USB, PS/2 - Symmetrical - 1
Seventh generation Expert Mouse Optical features precise DiamondEye optical tracking, a large ball for maximum control, an innovative Scroll Ring and a detachable rest to cradle your wrist in comfort. USB and PS/2 compatible. Windows 98 and later, Mac OS X and later.