1. 8-in-one full-function expansion and rich interfaces to meet the needs of different scenarios. 2. Just lightly and firmly adsorb the strong magnetic suction. The phone case can be used with the included magnetic ring. 3. 10Gbps transmission without waiting 10Gbps transmission rate, 1GB file is transferred in about one second. 4. The aluminum alloy frame is wear- and drop-proof, made of aluminum alloy, with good heat dissipation effect. 5. Multi-system compatible plug and play supports multiple systems and multiple devices, making it more convenient to use. Specifications Product interface: input, USB3.2*2, 4K60Hz PD100W, SD/TF Transmission rate: 10Gbps Colour:Black Material:Aluminum alloy + plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * magnetic expansion dock 1 * magnetic ring 1 * data cable Only the above package content, other products are not included. Note: Light reflection 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.