Product name: 3.0 HUB deconcentrator one for four (including power interface)Transport interface: Compatible with USB 3 ultra high speed (5Gbps)， USB 2 high speed (480Mbps)， USB 1.1 low speed (1.5Mbps)System support: Compatible Product weight: 50gProduct size: 10cm x 10cm x 4cmFunction introduction:The most practical， the most flexible， the most fashionable. Do not have to be too crowded for the USB mouth and troubles can not be used. Maximize the use of USB extension to eventually get rid of the USB mouth too crowded trouble. This USB 3 HUB 4 PORT design is very beautiful， linear design of this product is more practical， easy to carry.Package:1 X USB HUB