The adidas R-21x rowing machine ensures a smooth rowing motion with an inertia enhanced flywheel and offers 16 levels of electronic/air resistance adjustable via quick resistance keys. The air resistance element provides a natural rowing feel, whereas the magnetic element allows the R-21x to deliver a higher level of resistance than that available on air-only rowers. To keep track of key workout data, there is a clear LCD screen, and the rower has a selection of 13 workouts to help you achieve your goals faster. Exercise in a correct heart rate zone using a wireless pulse receiver with an included chest belt and enjoy fun ‘me time’ during workouts with an integrated tablet holder. For instant motivation during training sessions, the rower features distinctive Ultra Series red LED lighting that powers up when you create energy.