Crossfit 99 Touch-sense technology is the most innovative user interface. Blue back-lighted sensor buttons clearly indicate runner to easy-start workout. Click-free buttons provide the best touch feeling. Built-in heart rate bar system could easily and precisely help to monitor the heart rate with both hand pulse and Polar telemetry to achieve the individualized heart rate target for best workout result. 20 resistance levels. WATT-based heart rate program accurately achieve the target heart rate. Built-in test program offers the best reference for personal physical condition test and training. Large LED dot-matrix and scrolling text help exerciser to monitor workout. Full sets of program for different training requests includes 19 workouts. Precise watt control for accurate energy-managed workout. High speed circulation fan Ergonomic handle bar design for more comfort exercise.