... 1 3.Color Opotional 4.Radio Frequency Laser pointer with remote control 2 in 1, Mouse + laser point = wireless presenter It is ... 17g Receiver Receive frequency 433.92Mhz/2.4GhzSensitivity-90dBm Operation system Windows 98. Se,Me, 2000, XP, Win7,8,Mac OS ... 2.0 and usb 3.0 full speed 4.Support System: Operating SystemFile TransferPassword TravelerWindows® 7 & 8YesNoWindows Vista®2 (SP1)YesYesWindows ...