... Body size: 85 X 135 X 10 mm 3.CE, FCC& RoHS 4.OEM / OD 2.4g mini wireless keyboard with multi-touch (mini ... RequirementsMac OS, Linux,IOS,Android, Windows (all) with USB port.ApplicationApplicable for the lecturer, meeting presenter, classroom teacher ... System RequirementsMac OS, Linux,IOS,Android, Windows (all) with USB port.ApplicationApplicable for the lecturer, meeting presenter, classroom teacher ...