Design: Low-Impact Aerobic Exercise For Legs And Arms, Designed To Stimulate Blood Circulation & Improve Muscle Strength, Cardiovascular Health & Coordination. Portable: This Compact Portable Machine Allows Use Anywhere - Use Whilst Watching Tv, Under Your Desk Whilst Working Or Place On A Table Top To Exercise Your Arms. Rubber Pads: Ergonomic Design Features Heavy Duty Steel Construction With Four Anti-Slip Rubber Pads To Prevent Sliding While Protecting Surface Areas. Digital Lcd Display: Multi-Function Digital Lcd Display Shows Calories Burned, Time, Rotations Per Minute, Rotations Completed And Scan. Adjustable: Adjustable Resistance Knob And Adjustable Straps For Added Comfort And Control.