The SD card camera reader with 3 plugs, which is USB 2.0, micro USB & USB C plugs, compatible for all USB C device,Laptop,tablet and Android smartphones that support OTG function.Double card slot of memory card adapter supports for SD SD-3C SDXC SDHC MMC RS-MMC TF Micro SDXC Micro SD Micro SDHC Card and UHS-I memory cards Micro SD Card Converter for data transmission.Transfer and save files, pictures, videos and music from SD/ Micro SD card to your computer, android smartphone & tablets.Camera SD card adapter is easy to download photos and videos from your digital camera to your phone so you can view them on the photo app Plug and Play No additional power supply needed to micro SD card reader.No additional software installation required The Memory Card Reader can connect to any mobile device that supports USB on-the-go (USB OTG) The Card Reader is NOT compatible with iPhone/ iPad/ SIM Card/ Kindle/ Fire Tablet. 2.The memory chip is not in the package, you need to insert a card to read