1、1 x USB‑C hub supports up to 100W charging port, 1 x for HDMI port + 2 x USB 0 ports + 1 x micro memory card + 1x memory card reader slot. Easily expand your device to make it suitable for most devices used in daily life. 2、This USB C hub does not require a driver, just plug and play. Use for HDMI port of the USB C adapter to mirror or expand the screen, and then stream 4K UHD or Full for HD 1080p video directly to the HDTV, monitor or projector. Connect a large‑screen TV/projector. For HDMI resolution up to 2K x 4K, support 3840×2160@60Hz audio and video synchronization, watching movies and playing games is more enjoyable. 3、Two USB 0 ports allow you to connect up to two USB‑A devices to your laptop at the same time and transfer data at a speed of 5 Gbps. Can connect USB devices such as U disk, mouse, mobile hard disk, keyboard, etc. 4、Enables you to mirror or extend the display of your laptop to a TV, monitor or projector with a resolution up to 4K UHD (3840x2160@60Hz), supporting 1080p/298/24/50/59.94/60HZ, 1080i/50/59.94/ 60HZ, 720p / 50 / 59.94 / 60HZ. 5、Type‑C to interface, high‑speed data transmission and power supply. 6、For HDMI 4K high‑definition interface output, move the 4K theater home and project it on the 4K screen. 7、Provide additional 2xUSB 3 ports, support up to 5 Gbps transfer speed (backward compatible with USB0) and memory card and micro memory card slots. 8、Suitable for OS X 12'' 2016, for Google, for TabPRO S, and other C‑type devices. 9、The expansion adapter connects multiple devices/accessories to your device, such as mouse, mobile hard disk, USB, memory card and camera. 1 x Expansion Dock Condition: 100% Brand New Item Type: Expansion DockMaterial: Aluminium AlloyColor: As Pictures Shown Weight: Approx. 62g/ 2.2ozSupport PD 3.0for HDMI Interfaces: 1Pc (for HDMI interface 60Hz)USB 3.0 Ports: 2Pcs (5GBPS High-Speed Transmission)Memory Card Interfaces: 1Pc (Plug and Play)Micro Memory Card Interfaces: 1Pc (Plug and Play)Type-C Interfaces: 1Pc (PD Quick Charging)