Colour: Black Hardware interface: USB, Ethernet, USB 2.0 Compatible devices: Smartphones, USB Flash Drives, Tablets, Keyboards, Laptops About this item: 3 Ports + Fast Network InterfaceUSB Ethernet hub has 4 USB 2.0 ports, which can easily expand ports on the devices, such as laptop, PC computer, etc. Three USB 2.0 ports with data transfer speeds up to 5Gbps could transfer an HD film in seconds, which can also backwards compatible with USB 2.0/1.1 devices. USB Type-C AdapterEasily transform the Type-C port on the device (such as Mac) to a Type-A port. Meet the needs of connecting Type-A devices (such as flash drive, keyboard, mouse, hub, etc.) with Type-C devices (smart phones, tablets and laptops, etc.) Easy to use Plug and play, the USB 2.0 hub can be automatically recognized by any operating system. No external power or drivers required. The Ethernet Adapter is compact and portable. Premium aluminum shell can prevent from corrosion and oxidation. Support hot-swapping, low power consumption, expand 4 USB interfaces, each power supply up to 500Ma, using the 2nd generation USB HUB controller, no driver, plug and play, support hot-swapping, support up to 127 USB devices, all using a high-quality electronic devices, to ensure that the product work stable. Transfer interface: support USB1.1 Operating system: Windows 98SE/ME/2000/XP,Macintosh OS 9.0/Vista Transfer rate: speed up to 480Mbps, power supply: USB 5V/600ma External power supply: 5V/1a Operating temperature of HUB: 0-70 HUB storage temperature: 10-90 HUB usage humidity range: 10%-90%non_condensing HUB storage humidity range: 10%-90% non-condensing HUB body consumption current: 50-60ma (the consumption current of each USB port in this product without any device connected is 25mA)