The Vision Mounts Gas Spring Dual LCD Monitor Arm Desk Mount (VM-GM224U) is a top-quality mounting solution that delivers not only the convenience of elevating and repositioning your computer screens over your tabletop but also lets you connect and use two USB devices as well as a headset. Gas spring reliability Move the arm in any direction and adjust the height for better screen viewing. The built-in gas spring provides stability and balance as your monitors are moved and set to optimum viewing positions. Screen adjustability Freely change each monitor's position, orientation, and viewing angle using only one hand. The arms offer a maximum height adjustment of 450mm from the base and a total 355mm from their joints' lowest and highest points. Upward tilt goes up to 85 and downward tilt to 90. Swivelling range is 180 and rotation capability is 360. VESA compatibility The mount's slide mechanism allows easy installation of 15"-27" LCD panels weighing 8kg or less with VESA 75/100 mounting holes. The Vision Mounts Gas Spring Dual LCD Monitor ARM Desk Mount with USB and headset ports is an ergonomic screen mounting solution designed to help streamline multimonitor workflows. It offers flexible screen repositioning and connectivity features that help you clear your workload at the end of the day. Product Description USB port and headset plug integrated. Innovative GM series with aluminum structure and gas spring inside will change the way you work. The arm suspends your flat panel above your desk, allowing you to quickly reposition the monitor with just one hand. Simply move the monitor to where you need it. The arm eliminates the monitor footprint on your desk - reclaim your desk, even as you work in greater ergonomic comfort. Product Specifications Model: VM-GM224U Screen Size: 15"-27" Load: 0-8kg Tilt: -85~+90 Swivel: 180 Rotation: 360 Vesa: 75/100 Material: Aluminum