Two-way transmission with theoretical speed of 480Mbps for fast data transfer and stable connection. Easily copy, edit, move, delete, rename, or share files using the "File" application. Import photos and videos from SD/TF cards to your phone or export files from your phone to memory cards or USB flash drives. This card adapter saves time on data transfers. Supports up to 1TB storage card (256GB or less recommended). Stable two-way transmission allows dual transfer methods and supports reading two cards simultaneously. Eliminates the need for repeated insertion and removal, speeds up file transfer, and improves data access efficiency. Compatible with SD, Micro SD, TF, SDHC, SDXC, Micro SDHC, Micro SDXC, and MMC cards. Type-C three-in-one multifunction card reader with USB interface enables peripheral expansion on compatible devices. Expand device capabilities and simplify file transfer processes through the SD/TF card slots. Constructed with high-quality materials. Cable features durable joints and wear-resistant surface. Both Type-C connector and main body use high-quality aluminum alloy housing for efficient heat dissipation and scratch resistance. Plug and play functionalitysimply connect the card reader to your Type-C device for immediate use. No additional software required. Compatible with Android, Mac OS, Chrome OS, Windows 10/8.1/8/7/XP, and Linux systems.