USB port for Mac or PC / With software including 4 training programs / 5 levels of difficulty / / MFT "Challenge Disc" balance disc: gain in performance The MFT "Challenge Disc" balance disc lets you steer a ball, racing car, skier etc. through a fictitious course displayed on your computer screen by making movements on the disc. It's a fun way to improve your sporting performance. And with 5 levels of difficulty, you can personalize your training. All it takes is 3 x 10-minute training sessions a week to make noticeable progress. This training device has been tested by the University of Innsbruck. Detailed specifications: Dimensions (LxWxH): 48x46.2x9.2 cm / ø 40 cm / Load capacity up to 120 kg / Weight: 4.4 kg / Colours: green-black, natural / With software including 4 different training programs: Warm-Up / Self-Check / 5-step training / 6 games / Area of use Personal Training / Pro Training Center / Physiotherapy / Rehab Center / Clinic / Goal: "efficient and optimal coordination training" / Improving sports performance / Getting back into shape (healthy back, healthy joints) / Preserving freedom of movement / System requirements for the "Nature 2.0 (Bluetooth)" model : Bluetooth wireless from 4.0 Low Energy LE / Apple tablet from iOS 6 / Mac OS from 10.12 / Android from 4.3 / Windows from 10 / Amazon OS from OS5 / Internet connection for software installation / System requirements for the "Green 2.0 (Bluetooth)" model: Bluetooth wireless from 4.0 Low Energy LE / Apple tablet from iOS 6 / Mac OS from 10.7 / Android from 4.3 / Windows from 8.1 / Internet connection for software installation / System requirements for the "Green (USB)" model: USB type A port / Mac OSX from 10.5 / Windows from 8.1 / Internet connection for software installation / About the MFT Challenge Disc "2.0 Nature" model: The special feature of this model is that it is sustainably produced in the EU from recycled and renewable raw materials. MFT strives to reduce its carbon footprint by focusing on short transport distances and high quality to extend the life of its products.