Usage Tips:Rotating Computer Arm Rest Pad Ergonomic Adjustable PC Wrist Rest Hand Bracket Features: brand and high quality. Easily attaches to a computer desk up to 4.8cm (1.9') thick The weight of the compatible withearm is distributed over a large area. This reduces localized pressure on the wrist and eliminates the constant strain on muscles in the neck, arms and shoulders that so many computer users experience. Behind its simplicity, the pad hides a few useful tricks. It can be adjusted to the desired position and while the compatible withearm is placed on top the pad locks itself in place. It allows compatible with stability when using a mouse. When not in use it can be turned completely sideways allowing an easy access to the chair. An interesting feature of the pad is that the pad can be easily lifted and completely removed. It's a great addition compatible with keyboard use as well. Two units can be installed (one on each side of the keyboard) to give complete support to compatible withearms. The armrest is extremely portable and installs simply and quickly. It can be disassembled in seconds and can easily be carried in a briefcase or computer bag. A wonderful gift to yourself and your friends. Specifications: Item type: Hand Shoulder Protect Armrest Pad Mouse Pad Meterial: Strong ABS plastic + High quality leather pad Color: Black(As Pictures Show) Size: Approx.29x14cm/11.42x5.51in Quantity:1Set/(Rest Pad + Connector + Screw) Note: Due to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!! Compare the detail sizes with yours, please allow 1-4CM differs due to manual measurement, thanks! Package includes:(No retail package) 1Set X Rotating Computer Arm Rest Pad