Specifications: length 7.5 cm width 7.5 cm height 3 cm USB cable is about 60 cm long Please note: - The card reader can only read one type of card at the same time. For example, when inserting an SD card (in fact, most people will not read multiple cards at the same time). While reading the card, the HUB can work at the same time without affecting each other; With 2.0 HUB function and multi-card reader, the workmanship is super good. * One USB interface is expanded to three, small, practical and convenient, extending 3 2.0USB interfaces, each power supply up to 500MA * Adopt second generation USB HUB controller * Directly connected to the computer, no external power supply, easy to use * Computer automatic identification installation, no driver, plug and play, plug and play * USB2.0 interface, support USB1.0/1.1, transfer speed 1.5/12/480MBPS * Built-in current overload short circuit protection device High-grade blister packaging, gifts are also good! Reader and hub, how convenient it is to have more convenience Support card MS/Pro Duo, M2, SD/MMC, Micro SD Color light series Stylish and generous, the colorful design combines with the unique lighting effect of Senbo. The light effects of all colors are gathered together to attract everyone's attention. Love at first sight! Applicable models: computers with USB interface specification: USB 2.0 plug and play USB 2.0 x 3 Support MS/Pro Duo, M2, SD/MMC, Micro SD Cool, cool and cool