***LIMITED TIME OFFER**
How To Use It:
Extend Pro is a Friendly User Device, plug it into your MacBook and it's no software installation required. Please be reminded that SD card is REQUIRED to function.
MacBook Pro And MacBook Air (NOTE: NOT SUPPORTED for any older versions of MacBook Pro or MacBook Air without an SD card slot which is not supported on your MacBook.)
Maximum Storage: Up to 64GB
Supported Card: Micro SD, SDHC Card, SDXC Card
Installation: Plug and Play, No Software Required