Wide Compatibility - QUUGE Micro SD card reader compatible with Windows,MacOS, iPadOS and Android systems, just plug and play, No additional power supply required. Ultra-Compact Design - The aluminum alloy housing with slimline design can be plugged into your laptop or phone even when you’re using a case. Two at Once - QUUGE Memory card reader supports read and write on two cards Simultaneously at speeds of up to 104 MBps. Dual Connectors - QUUGE USB C SD card reader got you covered with a USB-A connector on one side and a USB-C connector on the other. Whether connecting to your laptop or to a phone, just switch devices and start using immediately, with no need for installation. Dual Card Slots - QUUGE SD card reader includes both an SD and a microSD card slot, Compatible with SD-3C SDXC SDHC SD MMC RS-MMC Micro TF Micro SDXC Micro SDHC UHS-I memory cards.