We are a factory,all model of ours were created by our R&D team
Have our own patent of usb hub 2.0 A006
Quality guarantee

For waste gas generated by computer and etc,which is harmful to human body ,the air is refreshened through air filtration and negative ion generator with USB HUB 2.0 function to realize on devoice for multi-purpose.

 -usb Hub ,USB 2.0.

-Negative ion generator

-usbair filtration