Introducing the tacx hear rate belt want to keep an eye on your heart rate whilst you train then use the tacx hear rate belt for a reliable heart rate reading the belt works with either bluetooth or ant connection and can work up to 5 meters interference free the belt is compatible with i genius bushido and i vortex tacx trainers with a soft lined strap the monitor barely feels like you are wearing anything and it wont leave you un comfortable overall if you are looking at taking your t