Brand ORICO Model H4818-U2 Quantity 1 Color Black Material Plastic Connector Type USB 2.0 Port Number 4 Spacing 1.2cm / 4.5cm Transmission Rate 480Mbps Supports System Windows XP / Vista / 7 / 8 & the Mac with USB ports Other Specialized LED indicator shows power and USB working status; Support hot swap plug and play easy operation and to carry; Over current protection and keep it safe from s suddenly electricity goes off and keep devices hub itself safe; Conform to USB tech specs; Drive free; Durable and stable to use Packing List 1 x 4-port super speed USB HUB 1 x Connection cable (100cm) 1 x Chinese and English user manual