?480Mbps Transmission Speed?Daily use it could give you a good experience, but if you are transferring larger files or have higher requirements for transfer speeds, you can try using USB 3.0 or faster. ?for TF/micro SD Cards?Wansurs microSD Card Reader is suitable for TF (Micro SD, Micro SDHC, Micro SDXC) cards to share videos or images with family or friends anytime, anywhere. It supports Micro SD card capacity up to 512GB. ?Support OTG Plug and Play?type c memory card reader supports ON-THE-GO technology, you can easily transfer photos/videos/files between Type-C devices and micro SD card without drivers or software. ?Ultra-Compact and Portable?Made of high-quality zinc alloy, this mini card reader is durable, lightweight and portable, and can easily fit in your bag. Anti-lost key fob allows you to attach the card reader to your keys, wallet or backpack for easy portability and avoid loss. ?USB-C Card Reader?Micro SD card reader is a great way to help you expand the storage capacity of your latest smartphone/tablet/computer with USB-C port, supports most OTG supported type c devices.