EC Technology SD Card Reader Aluminum Superspeed USB 3.0 Multi-In-1 Card Reader for SD Card/CF Card/Micro SD Card and More for MacBook Pro Air, iMac, Mac Mini, Microsoft Surface Pro, Lenovo Yoga 3-category Card Slots multi card reader: Designed with 3 card slots, this memory CF card reader could read and transfer data for Micro SD, SD and CF 3 types of card. Relieving you from the trouble of plugging in and out. High-speed Transmission Speed: Adopting USB 3.0 interface, this usb card reader could transmit data with possible highest speed up to 5Gbps, almost 9 times faster than USB 2.0. Extensive Compatibility: This micro SD/SD card reader supports multiple card formats, including microSD/microSDHC/T-Flash, SD/SDHC, mini SD, MMC, MMC Plus, RS-MMC, MMC Mobile, MicroSD (TransFlash), microSDHC. Stylish Design: Carrying with a 20cm USB data cable, easy for both laptop and PC users. Aluminum alloy cover makes it durable and resistant soiling. Package Contents: 1 x EC Technology Card Reader,1 x Instruction Manual.