Features: 1.Type-C Multi-Function HUB Adapter, Dual Head Type-C for OS X Pro, an extended USB 3.0 card reader, HDMI, Type-C (40GB data), memory card function hub, unique and novel design. 2. High-performance chip with over-current protection on the port to protect USB devices. 3. HDMI supports to display in same screen and extended screen, high definition, HDMI support resolution 4K/30HZ. 4. One Type-C port can supply and transmit drive-free for type-c devices, without external power supply, plug and play. 5. Aluminum alloy casing is more fashionable and beautiful. 6. Expands 2 USB 3.0 ports, and transmits up to 5Gpbs for multi-USB interface requirements. Specification: Name: 7 in 1 Dual Type-C HUB Adapter Applicable: 12 inch new for OS X, for chromebook pixel 2 Compatible: USB3.0/2.0/1.0 Support: Memory Card System: for windows 7/8/10, for OS X 9x/10 Voltage: 5V Product Size: Approx. 11 x 4 x 1cm / 4.3 x1.6 x 0.4inch Package List: 1 x HUB 1 x User Manual 1、Type?C Multi?Function HUB Adapter, Dual Head Type?C for OS X Pro, an extended USB 3.0 card reader, HDMI, Type C (40GB data), memory card function hub, unique and novel design. 2、High-performance chip with over-current protection on the port to protect USB devices. 3、HDMI supports to display in same screen and extended screen, high definition, HDMI support resolution 4K/30HZ. 4、One Type?C port can supply and transmit drive?free for type?c devices, without external power supply, plug and play. 5、Aluminum alloy casing is more fashionable and beautiful.