This NewStar sit-stand desk workstation model NS-WS300BLACK converts a tabletop into a perfect sit-stand laptop workstation. The workstation includes a spacious upper display surface, a lower keyboard and a mouse desk. It features a spring-assisted lift mechanism that lets you switch easily between sitting and standing in just a few seconds. This ergonomic product offers you maximum comfort, freedom of movement and productivity. It holds up to 15 kg while staying steady and solid at any height. With it, it is simple to start enjoying the health benefits of standing while you work! A large work surface (95×40 cm) accommodates two monitors or a monitor and a laptop. The ergonomic keyboard tray (95×30 cm) keeps staggered height between keyboard and monitor to prevent neck strain. The stepless height adjustment (11–50,5 cm) allows for a comfortable standing or sitting position as you require. The gas spring lifting mechanism allows you to easily move the desk up and down, even with your computer equipment. It comes ready to use out of the box and doesn't require assembly.