Features:brand new and high qualityIt can support multiple USB extensions at the same for time, such as camera, mouse, keyboard, computer lamp, MP3, voice recorder.Plum-shaped pocket shape, beautiful appearance design, easy to carry. The computer automatically recognizes, no external power supply, no driver, plug and for play.Support Win95 or 98 or ME or 2000 or XP, Linux2.4 and for Mac os8.5 or above.The USB interface can be expanded into 4 working USB interfaces, and 4 USB interfaces can be expanded, using the second-generation USB adjustment device.USB extension. Supply current of 500mA per port. Support USB1.0 or 1.1, for USB2.0, speed up to 5 Mbps. Specifications:Material: ABSWeight: 70gSize: 9.5x3.5x2cm or 3.74x1.38x0.79inchLength: 45cm or 17.72inchColor: Black or White Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x USB Hub Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store