Specifications: 3x USB 3.0 Ports 1x USB C female port 1x HDMI Port 1x SD Card Slot 1x Micro SD Card Slot 1x RJ45 Gigabit Ethernet port Connector: USB Type-C Dimensions: 104*52*19mm（Cable length 150mm） Weight: 84g Plug and play: Yes Compatible Devices: Apple MacBook (2015 / 2016 / 2017) Apple MacBook Pro (2015 / 2016 / 2017) Apple iMac / iMac Pro (21.5 in & 27 in) Google ChromeBook Pixel (2016 / 2017) *Please confirm whether your laptop is compatible with each of the USB Hub's function before purchasing. Supported Systems: * Windows 10, 8, 7, Vista, XP * Mac OS X 10.6 or later * Linux 2.6.14 or Later * Chrome OS Warranty: Warranty time: Industry-leading 30 days worry free return and 12-month warranty. Easy-to-reach support: Warranty card/ Website support/Amazon email. Please Note： 1.Confirm your laptop's input port can support each of the USB Hub's function, like HDMI or VGA, otherwise those certain ports may not function properly. 2.The USB ports are intended for data transfer. Supports multiple flash drives, but can only support one external hard drive at a time due to the power requirements. 3.USB ports are intended for data transfer and does not have the right amount of power output to charge electronic devices. 4.Under full using, the maximum working temperature of this USB C hub may up to 55°C, which may feel hot to the touch, no worry (The chips can work at 161.6°F /75°C).