You can adjust the appropriate resistance mode according to your own needs.<br> Can be used both on floor for leg exercise and on desk for arm exercise.<br> The toothed slip proof pads can prevent accidents when you are doing sports.<br><br> Specifications:<br> Color: White<br> Material: Plastic<br> Power Supply of LED Display: AA battery <br><br> This mini exercise bike can be used under desk above 47" in height,otherwise,your knees might touch the desk.<br>