Tacx Satori Smart Wireless Training Base Satori Smart trainer can communicate with ANT+ and Bluetooth Smart devices Via Tacx apps or third party apps you can measure speed and power plus heart rate and cadence (heart rate and cadence require separate belt and sensor, not included) Manually controlled magnetic resistance (via handlebar-mounted lever) 10 levels of resistance with maximum resistance of 950 watts (10" sprint effort) Folding design for compact storage and travel