Why Choose Seagull External Portable Memory Card Reader Expand two SD card slots to laptops/tablets/phones that have no card slot equipped. Add more storage and back space to them. A cost-effective way to reuse the SD cards of older phones or cameras. Easy to transfer file/photos/videos etc between your phones and camera's SD cards, allowing to email to friends or post them on to Facebook with speed and convenience. Release the space of your SD/TF cards and backup your data to Cloud Storage. Copy the photos, movies, files etc from Micro SD cards to your computer for watching, editing easily. Connect to any USB C OTG supported mobile device to playback videos/music directly from external cards without occupying space on your devices. Speed USB 3.0 & USB C 2 in 1 Card Reader In addition to conventional PC / laptop with USB A port you can connect through this card reader with device that is equipped with USB C port. For amateur photographers it is an optimal choice to manage the files from camera via this card reader. And thanks to USB 3.0, you're looking forward to the fastest transfer rate of up to 5 Gbps. One Slight Push to Protect Your Micro SD Card Just insert/extract card with one slight push for Micro SD card slot. Specification Transfer rate of up to 5 Gbps Compatible with OS: Windows, Mac OS, Linux and etc. SD slot: SD, SDHC, SDXC, RS-MMC, MMC Micro SD slot: Micro SD, Micro SDHC, Micro SDXC Size: L73.7xW21.5XH11.6 (mm) Note USB A and USB C plug can not be used identically. For Samsung S9/S9 Plus/S8/S8 Plus/Note 8/Google Pixel 2/XL/LG G5/V20/V30/ Nexus 5X6P, the memory card file format should be FAT32/EXFAT, NTFS is not supported.