Dragonfly is emphasized how to achieve the ergonomic purpose design, a gererated from a simple, natural and competitive ideas. A quick release with anti-theft function is option, where is connected to a universal/customization VESA plate. A pure shinning white body displays its allege and beauty. Not only weight indicator but also angle display are easily to be found from the upper arm as a uniqueness feature. Dragonfly could carried a monitor with 0.5(1.1lbs)~8.5Kg(18.7lbs) as a standarization specification, which almost match totally the monitors'. Easy to adjust the angle of lower monitor with 360 degree rotation by hands and soft design idea of tool storage is alson one of competitive strength. An ethereal and multiplicity is depended on widely potential demand.