The ALOGIC Ultra Dock Nano is designed to make the most of the USB-C ports on your MacBook Pro and MacBook Air. In its 2nd generation the dock Nano features a unibody aluminium and soft touch ABS construction. This dock features a HDMI ([email protected] ) output for connecting an external display a SD and Micro SD card reader for quickly transferring photos and videos and a dual-port USB hub for other peripherals two USB-C Ports where one of the USB-C ports is enabled with PD 3.0 specifications and will allow charging of the laptop with up to 100W power and data transfer at the same time the other USB-C port supports USB 3.1 Data speeds.Complete Connectivity: The dock Nano has an array of ports providing all the popular digital connectivity options. It has the most popular HDMI [email protected] Hz output 2 x USB-A 1 x USB-C (100W PD& Data) 1 x USB-C (Data Only) & Micro & SD Card Readers. Power of USB-C – Plug & Play: Powered with USB-C and Multi-Stream Transport technology and makes the most of it. It enables all the different functions of the dock such as charging your laptop transfer data connecting to an ultra HD display and memory card at the same time without any drivers or software with instant plug & play support. Compact & Portable: Compact with a very small footprint for ease of use on a desk or as the perfect travel companion for on the go use. Aluminium & ABS construction makes the adapter lightweight and durable at the same time.