Model: KB3800TPW Windows Smart Touch Keyboard Features: Smart Touch Technology, 2.4 GHz Wireless Connectivity, 4 Multimedia Hot Keys, 82-Key Mini Keyboard and Automatic Wireless Synchronization. Package Contents: Windows Smart Touch Keyboard, USB Receiver, Includes 2 AAA Batteries , User"s Manual and Warranty Information. System Requirements: PC and Mac Compatibles. Windows 2000, XP, Vista and 7, Mac OS 10.3 and above. An Available USB Port