VESA patterns of 75x75mm or 100x100mm

3'' and retracts back 2

More space will be spared to accommodate files

They are designed to deliver the most enjoyable 3D stereo surround sound

Electric Height Adjustable Standing Desk - White MUD412 Articulating Arm VESA patterns of 75x75mm or<Spacious Work Area>Large 55 x 28" eco friendly desktop offers ample workspace for 2 monitors and laptop setups along with important work materials, supplies, and decor. It provides more space and comfort for your busy working hours. <Smooth Height Adjustment> Customize your working or sitting positions with the adjustable height feature,ranging from 29. 1" to 48", can be used by people of different heights in different scenes. <Intelligent Control