Features: 1. The highest resolution is 3840X2160P/30HZ (requires the support of the display host), and also supports 1080P/23.98/24/50/59.94/60HZ, 1080i/50/59.94/60HZ, 720P/50/59.94/60HZ, etc. 2. Type-C 5V 2A (does not support data transmission). 3. USB3.0A/F supports a maximum current of 0.9A and a maximum rate of 5Gbps. 4. Backward compatible with USB2.0/1.1. 5. Comply with USB-C interface specification. 6. Built-in conversion chip, plug and play. Specification: Color: Grey Material: ABS+ Aluminum Alloy Wire: PVC Wire Interface Type: USB3.0+USB2.0+HDMI+TYPE-C Charging HDMI Resolution: 4K*2K 3840*2160 At 30Hz USB-C: 5V 2A Power Supply Function, Without Data Transmission USB3.0 Transfer Rate: 5Gbps USB2.0 Transfer Rate: 480Mbps Applicable Computers: Support All TYPE-C Computers Applicable Mobile Phones: for Samsung S8, S9, S10, Huawei Mate10, Mate10pro, P20, P30, etc. Product Weight: about 50g Size: about 80 X 29 X 12mm/3.15 X 1.14 X 0.47" Package list: 1* 4 in 1 Type-C HUB Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement.