Built-in USB & Type-C PortsMakes it convenient for you to charge your phone and tablet lying in bed. | Height Adjustable HeadboardThe headboard is mounted on the bed frame with three heights ( 39.4'', 41.3'', 43.3'') to fit 10-12 inch mattresses. | Noise Free DesignThe unique lock design can fix the slats more firmly, with extra mute strips, thus reducing the friction from the steel frame. | Under-Bed Storage5'' vertical storage space can be placed in storage boxes, Increasing space utilization without hindering the breathability of the mattress |