1. Runs quietly 2.Physical therapy for arms and legs 3. Useful training for paralysis muscle 4. Aerobic exercise Mini Auto Exercise Bike1. With ... ,70rp/m,can be adjusted accordingly2. Time:5 different choices for time-setting ,3 min,6min,9min,12min ,15min3. Rotate & ... OFF button for restarting.If the alarm is not released in one minute,the motor will stop automatiocally. Useful training for paralysis ...