Feature: 1. Equipped with 4 USB3.0 expansion ports, the theoretical transmission rate up to 5Gbps, fast and stable, backward compatible with USB2.0. 2. Independent power switch design, one switch controls one USB interface to extend the service life of the devices, convenient to use. 3. Small size, easy to carry and use. 4. ABS shell, smooth and delicate feel, wear-resistant, more durable. 5. Designed with LED indicator lights, you can monitor the working status in real-time. Specification: Features: Equipped with 4 USB3.0 expansion ports, the theoretical transmission rate up to 5Gbps, fast and stable, backward compatible with USB2.0. Independent power switch design, one switch controls one USB interface to extend the service life of the devices, convenient to use. Small size, easy to carry and use. ABS shell, smooth and delicate feel, wear-resistant, more durable. Designed with LED indicator lights, you can monitor the working status in real-time. Widely compatible with mouse, keyboard, U disk, card reader, USB printer, USB fan, USB lamp, USB radiator, etc. Specification: Type: USB3.0 hub Color: Black Material: ABS Expansion port: 4*USB3.0 USB3.0 theoretical transmission rate: Up to 5Gbps Supported device: Mouse, keyboard, U disk, card reader, USB fan, etc. Cable length: About 30cm Item size: 10.5 * 4.5 * 2cm /4.13 * 1.77 * 0.79in Item weight: Approx. 64.2g /2.26oz Packing list: 1 * Hub Package List: 1 * Hub