This is a SanDisk ultra high speed Micro-SDHC mobile memory card. 32GB Class10 UHS1. Read speed can be up to 30MB/s (TF card/SD card). It can be applied to car driving recorder, mini DVR, etc. Nowadays, smartphone, ipad, and mobile device are all around us. SanDisk memory technology is the motive power to drive their growth. It supports the latest high performance mobile, ipad and some other mobile device. You can experience high speed mobile memory easily, and store what you need anytime anywhere. With SD slot (that is SD card converter), it can be converted for use conveniently.