inland pro 2.4 ghz wireless optical mouse
this mouse uses the latest in micro receiver technology . it also has a super accurate 1600dpi optical sensor that is easily customizable . with just the press of a button you can pick the pointer speed that is right for you . press the cpi button once and enable 600dpi press it a second time and enable 1000dpi press it a third time and enable 1600dpi sensing capability for accurate and smooth pointer movement .