Product description Color: gray, silver 1. DUAL display flexibility The HDMI and VGA output can be used simultaneously for your various display devices (monitor, television, projector). Use our intelligent USB hub to expand two monitors. Work faster everywhere. Offers you the extensive work area and the flexibility to solve any task. The maximum output resolution reaches 4K via HDMI and 1920 x 1080 @ 60 Hz via the VGA connection. 2. 11 PORTS FOR MORE SPACE Corresponds to the term all-in-one for all functions you need Expand your compatible Macbook instantly with two USB 3.0 A ports and USB 2.0 A ports, a USB 3.1-C port, a 4K HDMI video output, a VGA male-to-female connector, and one RJ45 Gigabit Ethernet connection and an audio / mic 2 input -1 port and SD / micro SD card reader slots, compatible MacBook Pro / Air compatible, More Type -C devices. 3. DUAL-CORE TECHNOLOGY AND ADVANCED HEAT EXTRACTION Aviation aluminum case and optimized heat dissipation system ensure better heat dissipation and safe use. In combination with the integrated dual-core chip VL812 from Fitfort, which uses less power, all ports can work efficiently and the data transfer speed becomes faster. 4. SUPER FAST DATA TRANSFER 2 USB 3.0 ports support transfer speeds of up to 5 Gbit / s, 2 USB 2.0 for wireless 2.4 G mouse and keyboard without signal interference. The SD / TF slot enables files to be read in a matter of seconds with a reading speed of up to 208 MB / s. The RJ-45 Gigabit Ethernet connector provides more stable and faster internet access (up to 1 Gbit / s) than most wireless connections. 5. QUALITY GUARANTEE All parts are strictly checked and are quality assured Great compatibility, plug & play, no drivers required.