X-Frame Shaped Design That Does Not Cover The Bottom Of The Devices To Ensure Air Circulation Thanks To The Hook Design At The Bottom, Your Device Will Not Slip And Fall.Hollow Metal Design To Improve Heat Dissipationultra Slim And Stylish Designadjustable Height From 2.95 To 4.72 Inchesstable Folding And Easy Transportation Thanks To Foldable Legseasily Portable With 2-Way Compact Foldable Designyour Device Remains Stable Thanks To Non-Slip Silicone Padsby Positioning It At The Angle You Want, Optimum Working Performance Prevents Back And Waist Pain.