The computer desk is equipped with 4 programmable memory presets that bring much more convenience to save your desired height for instant adjustment and you can also charge your mobile phone with the USB charging port during work. If you are looking for a computer desk like this, do not hesitate to place an order! ● Electric Height Adjustable Design: The high-performance motor offers smooth and quiet (≤50db) height adjustments from 73cm to 122cm at a speed of 20mm/second. 4 programmable presets allow you to set 4 memorized heights and lift the stand-up desk instantly. Flexible heights help you reduce the pressure on your spine for minimal fatigue while working. ● Smart Anti-collision Technology: By using collision-avoiding technology, the height-adjustable desk gives you and your belongings extra protection. The electric standing desk will rebound immediately to protect items from bumps and scratches when it encounters obstacles. Besides, the anti-collision sensitivity with 9 levels le