"Fully adjustable - raise or lower the desk to sitting, riding, or standing position. Built-in tablet and smartphone slots 4 wheels for easy movement Slip-resistant rubber desk surface 2 wheel hangers 2 bottle recesses USB cable holders Tablet stand (add on accessory) - Coming soon" DURABLE STEEL FRAME - Get maximum stability and sturdiness with the formed steel tube frame and baked on polymer finish. FULLY ADJUSTABLE - with the push of a button, you can lower or raise the desk to sitting or standing position