User Tips : 1 USB C hub, 1 user Manual, 1 travel pouch.1-year and friendly customer service. Please feel free to Contact us at any time. Compatible Devices: (not A full list) ★apple MacBook (2015/ 2016/ 2017/2018) ★apple MacBook Pro (2015/ 2016/ 2017/2018) ★apple I Mac/ I Mac Pro (21.5 in & 27 in) ★google chrome-book Pixel (2016/ 2017) ★hp Spectra 13; GTX 4 Pro 15.6 ★dell: XPS13; xps15; G3; G7 ★huawei MateBook x Pro 13.9; MateBook E; MateBook x ★alienware latest series ★mi Air 12.5/13.3, Pro 15.6 incompatible devices: ★ipad Pro 2018 ★nintendo switch ★apple USB superdrive supported systems: windows 10, 8, 7, Vista, XP, Mac OS X 10.6 or later, Linux 2.6.14 or later supported cell phone: samsung Galaxy S8/S8 Plus, S9/S9 Plus, LG G5/LG V20, Huawei high-end phones Note: ★We do not recommend adding an extra extension cable for the hub as it can cause slow transmission, HDMI port not being recognized, or other connective issues. Not intended for use with gaming devices and high-power devices (external hard drives, iPad, etc) ★2.4 GHz wireless devices, MIDI devices, and some USB 3.0 devices may not be supported. ★The USB ports are intended for data transfer. They only provide a minimal 0.5a charging ★The maximum working temperature of this USB C hub can reach to 107.6°F(42°C), which may feel warm to the touch, but should not result in burns with brief contact.