Height Adjustable Rolling Workstation Cart with Charging Station.You will love the flexibility that it gives you! Featuring a charging station, adjustable height, 360° swivel wheels, tiltable tabletop and large storage space, the portable desk improves your life or work progress! Provides a comfortable height for your needs. Simply loose the knobs to adjust, then tighten them. The 5 adjustable angles meet your different demands, and the stopper prevents books or computers from sliding down.The side hanging hook can act as a headphone hanger, easy to reach for enjoying movies or music