The cable hub has 4 USB ports to charge for 4 USB ports simultaneously.It has high speed of data transmission, which is up to 45Mb/s.Plug and play operation is convenient to use and no external driver is required.It can connect with U disk, mouse, keyboard, etc.With mini compact size, it is easy to carry.Item Name: Cable HubMaterial: PlasticInput Interface: USBRated Voltage: DC5VTransmission Rate: 45Mb/sLight Modes: First Click: Turn on the Yellow Light, Second Click: Turn on the White Light, Third Click: Turn off the LightFeatures: 4 USB Ports, Plug and Play, High SpeedSize: 6cm x 6cm x 3.55cm/2.36" x 2.36" x 1.4" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Cable Hub