The Vortex is an interactive Smart trainer with an electro brake. This resistance unit is suitable for an average training level & can reach a maximum resistance of 950 Watt. Instead of using a handlebar computer you train by connecting the Vortex quickly & easily to the Tacx apps or third party software. Of the many possible training options you can choose the software that best matches you & your way of training. The Vortex communicates wirelessly via ANT+ & Bluetooth Smart for convenient training sessions using your smartphone or tablet. Performance data can be viewed on several devices simultaneously including your smartphone bike computer & sports watch. When the Vortex Smart isn’t connected to a smartphone tablet or computer it behaves as a fluid trainer. This means the trainer behaves progressively: when your speed increases the resistance increases as well. So it is possible to use this trainer in a “st&-alone” status.