... built-in fans, cool your laptop on USB power 3. Made by aluminum computer desk folded sizemm560*300*400material Aluminum ... alloypanel (L*W)mm450*285tube lengthmm250tube lengthpcs6(3*2)laptop suitable-- ... W.kg0.94 Situations suitabl :bed,sofa,desk,carpet,lawnUsage suitable:laptop desk,mini desk, book holder,breakfast table, bed tray ...