Product Specifications: 1. The output is a USB3.0 A-type male socket; 2. Transmission interface: USB3.0 3. Transmission speed: Compatible with USB 3.0 super high speed (5Gbps), USB 2.0 high speed (480Mbps), USB1.1 low speed (1.5Mbps) 4. Support system: Support Windows7,8, Vista, XP, 2003/2000/ME, Mac OS X and Linux systems, etc. It can be used without installing any drivers. Product included: 1. USB3.0 hub body * The card reader cannot read two kinds of cards at the same time. For example, when inserting the SD card, you cannot insert other cards at the same time, otherwise the card will not be recognized (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; - Both 3.0 2.0 HUB function and multi-in-one card reader, the workmanship quality is super good - Support card type: SD/MMC Micro SD MS/PRO/DUO M2 The latest 3.0 interface high-speed 3-port HUB hub + card reader - Extremely fast USB3.0 interface extender, equipped with 3 USB3.0 A-type female socket output interfaces. This USB3.0 HUB is beautiful, simple and compact. It is the best partner for notebook computers or small desktop computers and microcomputers. It can easily expand more and stronger USB3.0 ports for your small interface computer. Beautiful and elegant, so it is more suitable for your business gifts, and the best products for scientific and technological development of new products. The biggest feature of this product is that it provides 3 USB 3.0 ports and card reader functions, but it is implemented in the form of 1 to 3, which means that this is a Hub-type product and only needs 1 USB 3.0 The interface can be transferred to 3 for use and card reader, and can also be used for mobile phone tablet charging (each port can reach 1.5A smart charging). Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)