This ANT+ USB dongle allows for connecting your smart trainer to your computer and has connectivity with Heartrate monitors and speed/cadence sensors that connect via Ant+. I test this using my Cycleops Magnus and Zwift Link to USB ANT+ Stick: https://amzn.to/2QIE2Vz _____________ DISCLAIMER: This video description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission.