The Vortex is an interactive Smart trainer with an electro brake. This resistance unit is suitable for an average training level and can reach a maximum resistance is 950 Watt. Instead of using a handlebar computer you train by connecting the Vortex quickly and easily to the Tacx Cycling apps. If you want to train with a PC or laptop you can purchase the Upgrade Smart. Of the many possible training options, you can choose the software that best matches you and your way of training. The Vortex communicates wirelessly via ANT+ and Bluetooth wireless technology. You can attach your tablet or smartphone to your handlebar with a special bracket (optional).