[Double duty]: Simultaneously reading and writing on two cards to save yourself the effort of constant unplugging and replugging.The sd card reader with USB 3.0 /USB type C plug, compatible for SD-3C SDXC SDHC SD MMC RS-MMC TF Micro SD Micro SDXC Micro SDHC and UHS-I memory cards. | [Super Speed]: USB 3.0 micro SD card reader enables data transfer rates of up to 5Gbps,backward compatible with USB 2.0/ 1.1, and supports for SD/Micro SD card up to 128G. With a powerful and efficient capability, USB memory card adapter support can transfer and save data and files (Create, Copy, Move, Delete, Rename, etc.) Music Play, Video Play, Camera pictures. | [Broad Compatibility]: Camera card reader compatible with all USB C device,Laptop,tablet and Android smartphones. Compatible for Samsung S9/S9 Plus/S8/S8 Plus,Macbook 2017/2016, Macbook Pro, iMac 2017, Google Chromebook Pixel,Samsung Galaxy Tab S3,Dell XPS 13/15, Lenovo Yoga 900/910, Huawei Matebook, Google Pixel XL, 2, 2XL, LG G5, G6, V20, V30, Nexus 5X/Nexus 6P, Microsoft Lumia 950 XL, OnePlus 5, 3T, ect | [Plug and Play]:Easy to use and install!No additional app required to micro SD card adapter. No drive needed for Windows 10, 8, 7, Vista and XP, MAC OS 10.4.6 and greater. No additional power supply needed.No needed Internet,Wi-Fi. | [Save Equipment Space]: Connect the SD Card Reader with type C port mobile device that support USB On-The-Go (USB OTG). Playback videos/music directly from external memory without occupying space on Device.The memory card reader is made of durable, high-grade plastics and premium chips. Safety cover design, effectively protect USB male and Type C male connectors from dusts or dropping. Size:7.5x2.6x0.9 cm.(NOTICE: The card reader is not compatible with iPhone or iPad.)