1.The Top Loading Port Allows You To Easily And Quickly Temporarily Connect Gadgets Such As Usb Thumb Drives, Media Readers, Usb Lights, And Fans. Connect Modems, Usb Printers, Scanners, And Hd To A Convenient Usb Hub. 2.This Usb 2.0 Hub Adds Four Usb 2.0 Ports To Your Device. 2 Usb Peripherals Connect To Your Computer And Save Desk Space, This Dual-Port Hub Is Backward Compatible With Usb 1.1/1.0 Devices And Is Compatible With Windows 10/8/8.1/7/Vista/Xp And Mac Os X, Linux And Chrome Os. 3.2-Port Hubs Support Layered Installation With Other Usb 2.0 Hubs, Multiple Usb 2.0 Device Connections - A Scalable Solution For Connecting Multiple Usb Devices. 4.A Compact, Portable Hub To Tuck This Lightweight Gadget Into Your Bag Or Pocket, Go On Business Trips With Your Laptop And Laptop, Or Expand Your Desktop With More Available Usb Peripherals. 5.Plug And Play, No Installation Required. Description: 1.Transfer Rate: Usb2.0 2.Whether External Power Supply Is Connected: No External Power Supply 3.Number Of Interfaces: Data + Charging 4.Usb2.0 Transmission Speed Up To 480mbps 5.The Interface Is Usb/Otg Integrated Design 6.2-Port Usb 2.0 7.Backward Compatible With Usb 2.0/1.1/1.0 Standards 8.Support Windows Xp/Vista/Win 7/Mac Os/Linux And Other Operating Systems 9.Blue Led Status Indicator 10.It Can Drive The Mobile Multi-Function Hard Disk Holder/Hard Disk Enclosure Produced By Our Factory 11.It Has Safety Protection Such As Overvoltage/Overcurrent/Short Circuit 12.Usb 2.0 2-Port Usb 2.0 Hub Colour:A:black Material:ABS Size:4 x 4 x 1cm Package Contents: 1 x Hub