... in 1 3.Color Opotional 4.Radio Frequency Laser pointer with remote control 2 in 1, Mouse + laser point = wireless ... /2.4GhzSensitivity-90dBm Operation system Windows 98. Se,Me, 2000, XP, Win7,8,Mac OS, Linux, VistaUSB version USB2.0 , compatible with USB1.1 ... 2.0 and usb 3.0 full speed 4.Support System: Operating SystemFile TransferPassword TravelerWindows® 7 & 8YesNoWindows Vista®2 (SP1) ...