Kensington KMW 64325 Expert Mouse 64325 Trackball - USB w/PS2 Adapter - Optical - Cable - Black, Silver - USB, PS/2 - Sy

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.

• USB
• PS/2

• Black
• Silver

• DiamondEye Optical tracking for superior accuracy.
• Award-winning Scroll Ring - precise scrolling at your fingertips.
• Exceptional comfort for ultimate productivity.
• Large ball for maximum precision and control.
• Detachable wrist rest cradles your hand in comfort.

• PC running Windows 98 or later with an available USB or PS2 port.
• Mac running OS X or later with an available USB Port.
• Internet connections or CD ROM drives to install the software.

• PC
• Mac