Rainyway USB 3.0 Memory Card Reader with 2 TF/SD Card Slots for SD, SD-HC, SD-XC, MMC, RS-MMC, and Micro Sd Cards, Super Speed USB 3.0 Card Reader for Digital Cameras/Tablets PC/Laptops Read and Write two memory cards simultaneously to save the efforts of constant unplugging and re-plugging. Comes with 2 TF/SD Card Slots for SD, SD-HC, SD-XC, MMC, RS-MMC, and Micro Sd Cards. Portable, attractive design, small enough to slip into your pocket or briefcase and take it with you wherever you go. USB 3.0 enables data transfer rates of up to 5Gbps, backward compatible with USB 2.0 / 1.1. Fully powered by your USB port, no additional power supply required. Ultra-compatible and convenient: No drivers required for Windows 10 / 8 / 7 / Vista / XP / 2000 ( Please Note: Not Support Mac OS), Just plug the card reader in to use it.