Features: 3 USB2.0 expansion ports, the theoretical transmission rate up to 480Mbps, backward compatible with USB1.1. Equipped with TF/SD/MS/M2 card slots, can read data simultaneously, suitable for different types of memory cards. Small size, not occupy space, easy to carry and use, plug and play. ABS shell, smooth and delicate feel, wear-resistant and scratch-resistant, more durable. Widely compatible with mouse, keyboard, mobile hard disk, U disk, USB fan, printer, TF card, SD card, etc. Specification: Type: USB2.0 hub+card reader Material: ABS Expansion port: 3*USB2.0, 1*TF card slot, 1*SD card slot, 1*MS card slot, 1*M2 card slot USB2.0 theoretical transmission rate: Up to 480Mbps(backward compatible with USB1.1) Supported device: USB fan, mouse, keyboard, mobile hard disk, printer, U disk, etc. Item size: 7.7 * 7.7 * 3cm /3.03 * 3.03 * 1.18in Item weight: Approx. 65.6g /2.31oz Packing list: 1 * USB2.0 Hub