notebook holder 1.The ergonomic design will change your sitting significantly, and relax the eyes, neck, shoulders and back.. 2.The Stand (AIR) can also help you save space, improve the air movement (within the notebook) accelerate the removal of the heat. 3.The "LAPTOP STAND (AIR)" may finally change your laptop to a nice new desktop computer and enhance your mood. 4.A hub with2 USB ports can connect the laptop with multiple USB devices.