Abstract: A height-adjustable table includes a table top with two support block units, a linkage mechanism including first and second linkages respectively pivotally connected to the support block units, and a lifting control mechanism including first and second sliding tooth racks respectively slidably mounted in respective sliding open chambers of the support block units and respectively pivotally connected to first and second legs of the first and second linkages, two lock mechanisms with center gears thereof meshed with the first and second sliding tooth racks and two operating handles operable to lock/unlock the center gears for allowing the first and second linkages to be extended out or received so as to further adjust the elevation of the table top.

Abstract: A desk storage device includes a housing including an accommodation chamber, a front cover panel for controlling access to the accommodation chamber and a plurality of partition boards adjustably mounted in the accommodation chambers at selected elevations and defining an insertion slot between each two adjacent partition boards for storing one respective mobile electronic device, and a power module mounted in a bottom side in the accommodation chamber and including a control system and a system circuit board that includes electrical connectors for charging storage mobile electronic devices subject to the control of the control system and indicator lights controllable by the control system to indicate the charging status of each storage mobile electronic device.