1,4K resolution output, maximum support 3840X2160 at 30Hz resolution. 2,Type‑C with power supply function to charge laptops at full speed. 3,The USB 0 transfer rate is up to 5gbps, and it can be connected to a mouse U disk, keyboard, and telephone. 4,This four‑in‑one network adapter supports HDMI/USB 0/RJ45/Type‑C interface. 5,Manufactured to meet standard specification, strictly follow factory quality control. 1 x Four-in-One Network Adapter Condition: Item Type: Network adapterMaterial: Aluminum alloyColor: As pictures shownHDMI: 4k (3840x2160 at 30hz)/1080p/720pType C: Charging only, 20v/3a, 5-80wRJ45: 10/100mbps.USB 3.0: Transfer rate 5gbps, connect mouse u disk, keyboard, phone.Interface Type: HDMI/USB 3.0/RJ45/Type‑CCompatible Devices:for OS X air pro/tablet pro/ for dell xps13 15/ for dell precision5510/ for hp spectre x2/ for hp spectre x360/ for hp elitebook folio g1/ for hp elite x2 1012 g1/for acer switch for alpha 1/for acer spin7/for chromebook r13/for google chromebook pixel/ for lenovo 900 910/for thinkpad x1/for millet airbook/lg g5/for sumsang notebook/for galaxy s8 s8 s9 note8 9 10/for Huawei matebook/p20 30 40 pro/for mate10 20 30/for millet 9 10/ for oneplus 8. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.