Convenient Life--USB ports are arranged on this bed frame so that you can charge your electronics at any time. Connected to the adapter for safer use Adjustable Headboard--two heights available 40.6"/44.5" for 8-12" mattresses. Stable & Durable -- ANCTOR bed frame is supported by high quality steel and wooden slats. 6 heavy-duty steel support legs and dense 12 wood slats support a maximum weight of 800lbs;ensures no shaking and no noise disturbance when moving.