The USB 2.0 hub included 1 upstream and 4 downstream USB ports. Just plug the USB hub into your computer and you have a portable and easily accessible way to connect other USB devices. Description: Rectangular look, the 4 Port USB Hub looks like a dressing case, It features 1 upstream and 4 dowstream USB ports. Fast USB 2.0 interface, data transfer rate up to 480Mbps. This Notebook USB 2.0 Hub is powered by the standard USB port via the USB cable. No driver installation required. This Laptop USB 2.0 Hub supports plug and play. Indicator red light status 1 power LED. Specification: Interface: USB 2.0, compatible with USB 1.1 Data transfer rate: 1.5Mbps/12Mbps/up to 480Mbps Compatible with Windows: XP/ME/2000/98 SE/Vista, MacOSX10.2~ 4 Seperate port USB 2.0 expansion Casing material: plastic Bus-power limit current protection: 500mA USB cable length: ~73cm, 28.7" Dimension: ~5.8(L) x 3.8(W) x 1.2(H)cm, ~2.3"(L) x 1.5"(W) x 0.47" Color: as photo shown Weight: 68g Package contains: 1 x Dressing Case Shaped PC Hub 1 x USB cable