This 3-in-1 USB-C card reader features SD and Micro SD ports, supporting read and write functions for six different memory card types: SD, SDHC, SDXC, Micro SD, Micro SDHC, and Micro SDXC. The USB 3.0 port offers transmission speeds up to 10 times faster than USB 2.0 and can connect to USB peripherals that support OTG, such as digital cameras, USB flash drives, keyboards, and mice. With a built-in, advanced chip, this reader allows simultaneous reading and writing on SD, Micro SD, and USB storage devices, achieving fast transfer speeds of up to 5 Gbps. This enables quick transfer of photos and videos to mobile phones, tablets, laptops, or computers, facilitating instant sharing of memories on social media. (Supports bidirectional data transfer.) The USB-C SD card reader is plug-and-play, requiring no app downloads. It allows easy transfer of photos and videos to your USB-C device from SD/TF cards or other USB 2.0 devices, with transfer speeds ranging from 14MB/s to 16MB/s. No need for a PC anymore; it's fast and easy. (Tips: Ensure your USB-C smartphone supports OTG. SD and TF cards cannot be read simultaneously. USB can be used with either SD or TF cards at the same time.) This Micro SD card reader is compatible with SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC cards, and USB 2.0 devices, as well as USB-C devices like the New MacBook (2016-2019), iPad Pro, and Samsung Galaxy S10/S9/S8/Pixel. SD and Micro SD cards can be used with a transfer speed up to 104 MB/s and a capacity up to 512GB. Designed for safety and durability, this card reader is constructed with fireproof materials, providing protection against overcurrent, overvoltage, short circuits, and overheating to ensure device safety. The shell's surface is wear-resistant, impact-resistant, and fingerprint-resistant, offering durability. The lightweight and compact design makes it easy to carry.