This item can be 4 inch USB mini DC fan ;also 4inch AC with plug

1.Air cooling with USB plug 

2.Up and down adjustable 

3.Full metal grill and aluminuim blade inside 

4.Quiet operation 

5.With plastic feet 

6.With On/Off switch 

7.Kinds of colors can  be made according to requests 

8.Approved CEand ROHS 

9.Normal packing :1pc per standard gift box ,30pcs /CTN