PS/2 or USB,Windows Vista/XP/2000,Multimedia controls,Internet feature,Office tools Mic in &speaker out jack
USB,RF Frequency,Number of Channels:1(256ID),Windows Vista/XP/2000,Water Spills,Multimedia , Office tools,Internet Feature,Laser Mouse, Mouse buttons:3
USB,RH frequency 27 MHz,Number of chanels: 1(256IFD),Win.Vista/XP/2000,Water spils,Multimedia control,Internet feature,Office tool,,4Dpad wheel, Optical mouse mouse
USB,Windows Vista/XP/2000
