?Double duty? Simultaneously reading and writing on two cards to save the constant plugging and pulling of plugs. Enjoy fast photo downloads, smooth video editing and fast 3D Printer file transfers. View recordings of your security cameras, wildlife monitors, private surveillance cameras and car monitors instead of bringing them home to you. ?Plug and Play? Compatible with SD / Micro SD / TF / SDHC / SDXC / Micro SDHC / Micro SDXC / MMC cards etc.No driver is required in Windows 11/10/8/7/Vista or Mac OS X 10.2 and later. No additional power supply is required. ?Humanized Design?Card Reader for camera memory card has handy covers at both ends to keep out liquid and dust. Its slim profile makes it easy to store in your camera bag or backpack. ?Wide Compatibility?Compatible with iPhone 15 Pro/Pro Max, MacBook Pro (2023~2016), MacBook (2022~2015), iMac Pro (iMac), Acer Aspire Switch 12S/R13, Predator 15/17X, XPS 13/15/17, Alienware 13/15/17, Spectre x360, Microsoft Surface Pro, Book 2, Razer Blade 15/Stealth 13/Pro 17, Samsung Galaxy Tab Pro, S23/ S22 Ultra/ S21/ S20 and most other USB-C / A devices. ?What You Will Get? 2-in-1 Card Reader, The transparent shell allows for a clearer view of the internal structure,