Support 4 simultaneous expansion, expand 4 USB3.0 ports at the same time, say goodbye to repeated plugging and unplugging.The shell is wrapped in aluminum alloy, the surface anodizing process is delicate and does not leave fingerprints, good heat dissipation, strong and durable.Spare Micro-USB power supply port The spare Micro-USB power supply port can provide supplementary power supply for high-power devices.Sync data at super-fast speeds of up to 5Gbps, fast enough to transfer 1G songs, movies or files in under 4 seconds.Driver-free Plug and Play Compatible with Windows series, Mac OS, Linux systems.Type: USB SplitterConnector: USB3.0Interface: usb3.0*4Power port: Micro-USBTransmission data: 5gbpsColour: grey/silverMaterial: aluminum alloySize: 103x31x9.5mmPackage Contents:1 * HUBOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.