COASD SD Card Reader/SD Card Adapter SD/Micro SD Card Reader/Micro OTG/USB 2.0 Multi-Function Card Reader/Writer for PC & Laptop & Smart Phones & Tablets-Black The standard USB 2.0 plug (type A) and micro USB plug (type B) combination, making the card reader compatible with all tablets and Android smartphones that support OTG function. USB 2.0 SD/microSD card reader for data transmission, compatible with electronic devices such as PC, Laptop, Smartphone & Tablet OTG cable provides a convenient and alternative way for PC/Laptop to view picture,listen to music,data transform from flash drivers Compact card reader for all standard SDHC/SDXC and micro SD/micro SDHC/micro SDXC. ****Does NOT support memory cards over 64GB because of limited current provided by mobile device. Micro SD card and SD card not included, please use your own card and make sure NOT exceed 64GB.