Ergonomic desk armrest, removable elbow support, desk extension clamp, hand and shoulder protection, rotatable adjustable armrest, armrest for work/study, reduces arm pressure and eliminates muscle tension in the neck, arms and shoulders. The product is suitable for flat desks with a thickness of 5 cm/1.96 inches. We advise against contoured tables as they may be unstable. Mouse compartment clamp on the armrest, Portability capacity: up to 2.2 lbs, Clamp designed to organize drawers, Made of high-quality ABS materials with padded memory foam, Sturdy clamp fits desks up to 5 cm/1.96 inches, Comfortable, the non-slip fabric on the surface contains memory foam material, It is very comfortable to use in summer or winter. Rotatable armrest for desk, armrest bracket, mouse armrest, Space-saving for home/office desk, The platform rotates 180 degrees to hide it under the desk, Easy to use at multiple angles and can be rotated under the desk when not in use. Easy to attach to the desk: The screw clamp allows tool-free installation. Sits 7.3 cm below your work surface when mounted. Dimensions: 23 x 11 x 7.3 cm, Weight: 0.77 lb. Rotates 180°, allowing you to choose the most comfortable position for yourself. For compatibility, see the desk type in the image; for other types of desks, see the product dimensions and make sure there is enough space to use the clamps as support points to ensure stability.