Features: 1.DUAL CARD SLOTS: USB storage card reader has dual card slots, including slots for storage cards and micro storage cards for easy transfer, copying or saving of files. 2.WITH 3 CONNECTORS: One side is covered with a USB Type A 3.0 male connector and MICRO USB connector, and the other side is covered with a USB Type A 3.0 female connector. 3.5GBPS TRANSFER RATE: Card reader transfers files in seconds and the USB Type A 3.0 connector accesses your photos and videos at faster speeds. Transfer rates up to 5Gbps. 4.ULTRA SLIM DESIGN: Portable memory card reader is portable and ultra compact with a slim design that connects to your laptop without interfering with surrounding ports. 5.PLUG AND PLAY: Micro storage card reader supports for Windows, for OS X, for LINUX operating systems, plug and play to meet your different usage needs. specification:Item Type: Memory Card Reader Material: ABS Interface: USB Type A 3.0 Male, USB Type A 3.0 Female, MICRO USB Function: Suitable For Micro Storage Card, Storage Memory Card Operating System: Support For Windows, For OS X, For LINUX System Transfer Rate: Up To 5Gbps PackageList:1 x StorageCardReader 1 x Lanyard