Garmin Ant+ Usb-stick

"The Ant+ USB-Stick from Garmin allows you to seamlessly transfer your training data to Garmin's free online-community. Simply plug the stick into your computer's USBport and it will automatically start receiving activity data as soon as a compatible fitness device is within range. This innovative technology gives you the ability to efficiently track your fitness goals and analyze your progress. The stick is unisex and is suitable for anyone who wants to digitally document their sporting activities."
"Thanks to ANT+ technology, a reliable and interference-free connection between your fitness device and the computer is ensured. This enables precise transmission of your data so that you always have an overview of your training sessions. Whether you are an ambitious athlete or a fitness enthusiast, the Ant+ USB-Stick is the perfect tool to optimize your performance and maximize your athletic success."