4 Ports USB 3.0 Hub 1.Aluminum is not looseJoint stretchNet tail reinforcement andlengtheningStronger connection 2.Alloy shellgood heat dissipationUpgraded aluminum alloy shellSupplemented byanodizing processResistance to oxidation.preservative 3.Powerful chip free driveIndependent chip for eachfunctional moduleMultifunctional simultaneous useStill stable and smooth 4.USB interface to USB2.0*3+USB3.0*1 The USB3.0 interface runs balanced transmission with a theoretical high-speed bandwidth of 5Gbps, which is convenient for multiple devices to use at the same time.