About this item 【More connectivity】: Equipped with USB 3.0 Type A and Type C plugs, the card reader can be used for free data exchange between memory cards and USB-A / USB-C / thunderbolt 3-capable PCs, laptops, mobile phones and tablets with OTG functions. With built-in USB 3.0 chips, the USB card reader delivers high-speed transfer rates of up to 5Gbps and allows HD movie in 1GB to transfer only seconds. 【Simultaneously access to SD and Micro SD card】: Both card slots can be used simultaneously especially when connected to a PC/laptop, you will receive more efficient data transfer and no longer waste long time to wait. The USB 3.0 USB C to SD Adapter supports all popular memory cards including SD, SDHC, SDXC, RS-MMC, MMC, Micro SD, Micro SDHC, Micro SDXC and UHS-I cards in large capacity up to 512G. 【Wide Compatibility】: This Digital Memory Card Adapter is compatible for Samsung S21+ S10 S9 Plus S8 Plus Note 9 8, A3 / A5 (2017), A8 (2018); HUAWEI P20 Pro / P20 / P20 Lite, Mate9 / 10 / Mate 10 Pro, Honor8 / 9, P9 / P10 / P9 Plus / P10 Plus; Sony Xperia XZ, Xperia XZ Premium; OnePlus 2/3 /3T; Xiao Mi MIX2 / MIX2s, 6 / 5C / 5s / 5splus; MacBook Pro, MacBook, Dell XPS, Samsung Galaxy Book, Acer Switch Alpha 12. Note:The steam deck only supports card reader when it enters Desktop Mode 【Plug & Play】: No driver installation required for Windows, Mac OS, Linux etc. Powered via USB or USB C plug, therefore no additional power needed. With overcurrent, overvoltage and short-circuit protection, the USB Card Reader USB C secures high safety for all connected devices and memory cards. [Note] The SD card reader supports a phone case within 1mm/0.04 inches. 【Compact and portable for on the go】: The Micro SD TF Card Reader is designed with aluminum housing that works well on heat dissipation. Attached protective cap protects both connectors from unwanted contamination and dust. The friendly keychain wire on the card reader ensures anti-loss takeaway. Note: for Micro SD card slot, pls insert/extract the card with one slight push.