Humanized DesignProjector Stand Tripod with a Mouse Tray,conforms to your laptop usage habits,improve the work efficiency and reduces your arm strain.360° rotatable Smartphone Holder:you would not miss any important information during meetings and performances.Storage Tray: can be used to store frequently used items, such as microphone, presentation, stereo, speaker, cup, etc. Mouse Tray, Smartphone Holder,Storage Tray can be removed when not in use. 360° Rotatable CastersLaptop Stand Tripod with 3 Silent 360° Rotatable Casters for easy movement. Each castor has an individual brake and can be fixed in any desired position. Please Note: The casters are detachable and can be taken off when not needed. Foldable and Easy to AssembleThe Laptop Tripod easy to install and disassemble, 360°rotatable,convenient to carry and store. Excellent Stability and DurabilityThis projector tripod stand with wheels is made of sturdy high quality metal,max load of the l