USB3. 0 high-speed transmission, fast reading and copying of large files, saving you more time.Independent power supply adapter compatible with more stable and secure transmission.Photo / video reading is more convenient. TF / SD dual card slot, plug and play, solves the problem of notebook without card slot.The audio microphone interface can be connected to headphones / audio / microphone, etc.Wired network interface wired network transmission is faster / more stable.Colour: silverMaterial: aluminum alloySize: 151x48mmPackage Contents:1 * Docking StationOnly 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.