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 won't leave you un-comfortable. Overall if you are looking at taking your training a little more seriously then this is for you.