Ultra High Speed: SD & TF cards can be read simultaneously. Features SD/TF dual USB 3.0 card readers with data transfer speed up to UHS-I (95MB/s), which is much faster than most card readers in the market. 4K@30Hz HDMI and three USB 3.0 ports with speed up to 5 Gbps. Video & Audio Output: Mirror or extend your screen with the HDMI port to HDTV, monitor or projector for video and audio transfer. Support 3840x2160 4K@30Hz, 1920x1200, 1920 x 1080, 1280 x 1024 and lower resolutions at 60Hz. Plug & Play with Integrated Charging: Used with no external drives or power required; used with portable devices such as wire keyboard, USB flash drive, 2.5mm external disk etc. Integrated Charging: The type-c charge port can pass up to 100W power to the USB Power Delivery Laptop, and provide extra power to hard disk, DVD driver and accessories that connected to the USB ports Widely Compatible with MacBook Pro 2016-2023, New MacBook Air 2018 - (Not for previous generation MacBook Air & Pro