1) Plug & play function, convinient using and carry; 2) Delicated designed, exquisite appearance, especially agree office using, also can meet desk computer by extend line; 3) The product can be working out by hand and more efficiency to install between your body and the ***** product only for massage purpose not medical ***** USB elctricity wastage when if not working.Best choice for releasing fatigue eyes and laxity the strained nerve. 4) Flowery and individual LOGO can be designed 23*18cm, suppliers and distributors can choose it as promoting and advertising gifts; 5) Considerate design, no national bunderies propagandization, wonderful promotion gift 6) Various color for your option