WH-201 Liquid USB hub ; size: 80*80*25mm ;2.0 or 1.1 ; 4port ; match the specification of USB2.0, the product full speed can amount to 480 Mbpses, can expand 4 USB2.0s connects, adopt to spray the rubber oil technique advancedly, feels by hand comfortable, mini external appearance, can circumscribe the power supply, color variety