?Efficient Data Transmission? The SD card reader (Speed up to 90Mbp/s) is built in SD and Micro SD card slots for easy access to files from universal CF SD and Micro SD, quickly view your photos or videos, perfect for photographer or designer or video editor, etc. But the adapter cannot supports 2 cards reading simultaneously. ?Strong Compatibility and Video Audio Output? Mirror or extend your screen with the HDMI port to HDTV, monitor or projector for video and audio transfer, support 4K*30Hz or full HD 1080p*60HZ. Compatible with Apple Mac Pro, Huawei Matebook, Google Chromebook Pixel, Surface Book2 and many other Type-C laptops, tablets, and mobile phones, etc. ?Multi-port Adapter and Fast Charging?1 USB 3.0 and 2 USB 2.0 data port easily solves the problem of insufficient computer or mobile phone ports, which simultaneously connect mouse, keyboard, U disk, webcam and mobile hard drives for effortless data transfer with USB-C port. The PD charge port can pass up to 87W power to the Laptop, which shorten the charging time of the original charger. ?Material and Size? Our laptop USB C docking station is made of aluminum and ABS plastic, durable and wear-resistant, aluminum alloy shell (gray) can better heat dissipation. The size of the USB to HDMI hub is 11*4*1.26cm and weighs 100g, small and portable, easy to carry around when traveling. ?7 in 1 Multifunction USB Adapter Laptop Accessories? Extend a super speed USB 3. 0 (to 5.0GBPS) ports, 2 USB 2.0 port, 4K HDMI port, 2 SD card slot and 1 PD charging port from 1 type c port. The max output current is 900mA, and the maximum input of this PD charging port is 87W.