... usb 2.0 hub, 4 port usb cub, usb promotion gift.CE and ROHS certifications.Patent no. 2007 3013 1974.4 Special offer Specification:1)Circle Usb hub, 4 ... ports Usb hub, usb promotion gift, 1.1 & 2.0 version, New usb hub. computer USB hub, 5 ... Item weight: 60g;Item Size:16*4.5*3.5cmCarton Size:49*36*18cmQTY/CTN:100pcs.G.W: 8KG circle usb 2.0 hub