Adjustable Ergonomic Arm Rest for Desk 180 Degree Rotating Desk Extender Tray Foldable Elbow Rest for Computer Desk Armrest Support Product overview A deskmounted armrest and extender tray that creates a stable forearm support and extra workspace beside your keyboard. The unit rotates 180 degrees and folds flat when not in use, allowing flexible positioning for different tasks and work setups. Key benefits Comfortable arm support that keeps your forearm rested while using a keyboard or mouse, reducing awkward reaching and creating a more consistent working position. Spacesaving extender tray creates usable surface area beside the desk without changing your main workspace. Folds away when not needed to restore a clear desk. 180 degree rotation and adjustable positioning let you move the tray into the ideal spot for left or right side use, frequent switching between tasks, or stowing under the desk. Simple deskmounted design fits most standard desks and workstations so you can add support without replacing furniture. Durable, rigid construction provides stable support for typing, mouse work, writing, and light desk tasks. Features and attributes Function: Deskmounted armrest and extender tray with rotating and folding mechanisms for flexible placement and storage. Adjustability: Allows angle and position adjustments to align with your preferred arm and wrist orientation while working. Compatibility: Designed to attach to most computer desks and work surfaces. Suitable for right or left side installation. Size and performance: Compact tray adds usable workspace without occupying large portions of the desktop. Stable support for normal desk activities. Materials and durability: Built to provide steady support and daily use durability. Mechanisms allow smooth rotation and folding action. Practical use scenarios Office workstation: Install on the side of a desktop to create an ergonomic support point for long typing sessions and to keep the mouse within easy reach without crowding the main keyboard area. Creative and design work: Position the rotating tray to support your drawing or mouse hand while you focus on detailed tasks, then fold it away to clear space for papers or tools. Home office and small desks: Add arm support and a small extender tray to a compact desk to make laptop or tablet use more comfortable and to up central workspace. Why choose this armrest and extender tray The product combines a stable elbow rest with a rotating and foldable tray to deliver adaptable support and extra surface area without permanent changes to your desk. Its straightforward mounting and adjustable positioning make it practical for a wide range of computer and desk setups. What is included Deskmounted adjustable armrest and rotating extender tray with folding mechanism and mounting hardware. Installation tips Mount on the side of the desk that matches your primary hand for mouse or dominant typing side. Test rotation and folding clearance before final tightening to ensure smooth operation and full range of motion. This armrest and extender tray provides a practical, adjustable way to add forearm support and usable desk surface to standard workstations.