Symmtrical Optical Trackball with medium sized ball and two mouse buttons

Symmtrical Optical Trackball with medium sized ball and two mouse buttonsSymmtrical Optical Trackball with medium sized ball and two mouse buttonsItem#64327Regular price: $39.95Sale price:$29.95New Page 1FEATURES- Orbit Optical- Metallic Black color2-button Optical TrackballExceptional comfort with precise optical tracking.Optical laser precision guarantees accurate tracking, even ifthere's dust on the trackball; no regular cleaning required.Compact design in a comfortable fit for left or right hand; morecomfortable than a mouse.Saves desk space - stays in one place, needs no mouse pad.CONNECTOR- USB with PS/2 adapterREQUIRES- Mac - USB port, OS 8.1 or laterPC - Windows 98, Me, 2000, or XP with USB portPC - Windows 95, 98, Me, NT, 2000, or XP with PS/2 compatiblemouse port.SIZE - 5.0"w x 1.5"h x 5.625"lwww.kensington.com