1byone USB C Hub 9 in 1 Aluminum Multiport Adapter With USB-C Charging, Port of Mic/Audio,3 USB 3.0 ports, HDMI, SD, MICro SD for Macbook Pro, Surface Pro,Notebook PC, USB Flash Drives and More [Warranty of USB C Hub] 1 Years Warranty of Zoeview- All products sold by Zoeview are covered by 12 months warranty. No matter what problem you meet, contact with our custom service please. [Simple and Instant Expansion] Increase your productivity with this NEW Plug-and-play, multi-platform compatible adapter & instantly add an extra USB C Port, 4K HDMI,1000M Ethernet Port,USB 3.0 SD/TF,3 USB 3.0 Ports,3.5mm Audio/Mic 2in1. Allow you to quickly upload and download photos, videos, music and other files. connect to your external storage, keyboard, mouse, headset, optical drive, and more.Backward compatible with previous USB generationsUSB 2.0/1.x Devices [HDMI Port Max Resolution 4K@30Hz and 1080P@60Hz]HDMI adapter mirrors your laptop display to HDMI-enabled device with the resolution up to 4K@30Hz and 1920 x 1080 (1080p) @ 60 Hz. Downward compatible 2K/1080p/720p/480p/360p resolutions [Slim & Compact] - the compact and easy-to-use design makes it simple to take this USB C Hub with you anywhere you go, included with the product also is a handy protective case to store the USB C Hub safely away when travelling. [Stylish Design, Premium Build and Multi System Supported] Aluminum Enclosure and High Strength Cable Provides additional durability. Slim and compact design , EMI Interference Free. Professional Aluminium case is available in NEW Space Gray with match your Pro look and feel . Works on Mac OS X 10.6 or higher; Windows XP, 7 or higher; Chrome OS; available USB Type-C port