TI-Connectivity Kit USB for Windows/Mac (silver translucent cable)...Connects TI Graphing Handhelds to Windows and Mac based computers. Capture multiple screen images for your homework. Drag and drop all data types in one consistent manner. Download handheld Software Applications to use your TI handheld in more classes; Back up the data from your TI handheld to your computer; Download games to your TI handheld; Both the software and the cable work with your computer TI handheld data collection technology and TI-InterActive! to get you connected and keep you connected.