Portable computer trolley with two shelves and an retractable keyboard shelf. The height of the keyboard shelf is adjustable between 550-630 mm for a more comfortable working position. Monitor shelf dimension: 750 x 534 mm (W x D) Keyboard shelf dimension: 588 x 420 mm (W x D) Bottom shelf dimension: 610 x 272 mm (W x D) Total dimension: 770 x 750 x 534 mm (H x W x D)