Analyzing your training data and setting future exercise goals shouldn t feel like a workout-the Polar FlowLink Data Transfer Unit lets you easily sync up your Polar product to your Polar personal trainer software, using the Polar WebSync 2.X software. All you need to do to connect your device is lay your Polar product face down on the center of your Polar FlowLink unit, and the align indicator should light right up! Simply connect the FlowLink to a Mac or PC with its USB connection. To use FlowLink you need a PC with Windows XP/Vista/Windows 7 or Intel Mac OS X 10.5 (Leopard) or newer. Compatible with Polar FA20, FT7, FT40, FT60, FT80, RS300X, and Polar Active.