WIDE COMPATIBILITY. 4 in 1 Micro SD Card Reader for Computer. Support device: iPhone/iPad/iPod Touch/MacBooks/PC/OTG Android phone. Support OS: IOS(Including IOS11), Windows OS, Linux, Mac OS, Android. Support interface: Lightning, USB Type C,Micro USB, USB1.1/2.0/3.0. HIGH SPEED USB C SD CARD READER. Read/Write Speed of lightning up to (10Mb/s and 5Mb/s), USB C up to (9Mb/s and 8Mb/s), USB 2.0 up to(10Mb/s and 6Mb/s), Micro USB up to (9Mb/s and 8Mb/s). MUTI FUNCTION SD CARD READER FOR COMPUTER. Support SD card (SD and SDHC up to 32GB, SDXC up to 64GB ) and the OTG card reader for android support up to 128GB Micro SD card. Notice: New Micro SD and SD card need to be formatted before using. HOW TO USE. When using the iphone sd card reader for iPhone for the first time, it will automatically skip to APP ‘i-FlashDevice’(FREE). If not, download and install it from Apple Store. Android, Linux and Windows may use the USB SD card reader directly. FEATURES: Super speed for file transfer, video play and record, file backup by your phone. Also you may set up your personal preference. The Micro SD memory card reader helps expand your internal phone storage. Compact design, easy to carry.