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. Saves time on data transfer tasks. Supports up to 1TB storage card (256GB or less recommended). Stable two-way transmission allows dual transfer methods and supports simultaneous dual card reading. Reduces repeated insertion and removal of cards, accelerates 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 motherboard enables peripheral expansion for your device. The SD/TF card slots allow easy expansion of device functionality and simplify common file transfer processes. Constructed with high-quality wiring and reinforced joint areas for durability. Wire surface is wear-resistant. Both Type-C connector and main body feature a high-quality aluminum alloy shell for efficient heat dissipation and scratch resistance. Plug and play designsimply insert the card reader into your Type-C device to begin use. No additional software required. Compatible with Android, Mac OS, Chrome OS, Windows 10/8.1/8/7/XP, and Linux systems.