Simplecom CH342 USB 3.0 (USB 3.2 Gen 1) SuperSpeed 4 Port Hub for PC Laptop This 4 port USB hub is a compact and portable extension to your computer. It’s ideal for laptop, provides stable performance for 4 ports work simultaneously without disturbance, making it easy to connect more USB accessories at the same time. Features Expands one of your computer USB 3.0 port into 4 Ultra slim design, compact and portable USB 3.0 (USB 3.2 Gen 1) SuperSpeed Transfer Rate up to 5Gbps Backward Compatible with USB 2.0 and 1.1 Plug and Play, no driver required 5V USB Micro-B Socket for optional external power Supports Windows XP and above (32/64-bit), MacOS 10.2 and above Specifications Model: CH342 Material: ABS Plastic Input: USB 3.2 Gen 1 Type A (USB 3.0) Outputs: USB 3.2 Gen 1 Type A (USB 3.0) x4 Cable length: 25cm approx. Weight: 34g approx. Dimension: 10cm x 3cm x 1cm (LxWxH) Important Note This hub is designed for data transfer and not meant to serve as a stand-alone charger. Use it for charging low power device only. Micro USB port is for external power and max power input is 15W (5V3A).