A USB hub that can store USB cable inside itself. Built-in USB cable and cable storage case, you can carry it easily with your laptop and no need to worry about losing or damaging the USB cable when travelling. Designed to work with the new generation of computer and smart device with USB-C port, and supports data transfer rate up to 5Gbps. It can instantly turn one USB-C port into four USB-A ports, allowing you to add more USB devices to your computer immediately. While today\'s laptops are lighter and more compact than ever, that savings in size comes at the cost of fewer USB ports to connect your accessories.  This 4 port USB hub is a compact and portable extension to your laptop. It features plug-n-play and backwards compatible with USB 2.0 and 1.1 devices, making it easy to connect more USB accessories at the same time. Features Built-in protective storage for USB cable Expands one of your computer USB-C port into 4 USB-A ports USB 3.2 Gen1 (USB 3.0) SuperSpeed Transfer Rate up to 5Gbps Ultra Slim Design, compact and portable 4 USB ports on hub are backward compatible with USB 2.0 and 1.1 Plug and Play, no driver required USB Bus powered, no additional power required Support Windows 7 and Above, Mac OS X 10.6 and Above Specifications Model: CH330 Material: ABS Plastic Input:  USB 3.2 Gen 1 Type C   Outputs: USB 3.2 Gen 1 Type A (USB 3.0) x4 Cable length: 10cm approx. Weight: 55g approx. Dimension: 10cm x 5cm x 1.2cm (LxWxH) Note For a stable connection and work properly, avoid connecting 2 or more high power-consumption devices, such as external hard drives, this hub should not be connected to devices consuming combined current of 900mA The hub will sync but not charge tablets and other devices that require a higher power input This hub is not meant to serve as a stand-alone charger. For safety reason, please do not connect it to any USB wall charger