3m ergonomic mouse optical usb ps2 compatible large size black em500gpl
the 3m ergonomic optical mouse is clinically proven to reduce muscle strain and discomfort associated with carpal tunnel syndrome and repetitive stress injury . its unique design places your mousing hand wrist and arm in a more ergonomic position compared to a standard mouse . comes in two sizes for more comfortable mousing . key features innovative vertical design keeps the arm in a comfortable more neutral and natural handshake position uses larger muscles to move mouse reducing risk of discomfort left and right click functions using the thumb button on the top of the vertical grip easy electronic scrolling function reduces scrolling to a single click pc model only available in two sizes small medium and large included software provides user with option for daily ergonomic tips easy installation usb connector with ps 2 adapter compatible with pc macintosh and imac computers with usb ports includes a two year warranty and a 30-day money-back guarantee system compatibility pc operates using windows 95 98 2000 and nt 4.0 macintosh works with the new g4 apple power macintosh computer with usb port . plug and play only . no software support . imac ebook works with imac and ebook computers and compatible with usb support operates using apple o s 8.1 or higher with usb upgrades . plug and play only . no software support .