Made for machines that use a micro SD card, the Micro SD Memory Card (4GB) is a 4GB micro SDHC Class 4 flash memory card. With this product, you can store and transfer your sleep therapy data.
Learn More About the Micro SD Memory Card (4GB):
Adapter Lets You Use Micro SD Card on Standard SD Card Reader
This memory card will not work with machines that use a standard SD card, but your order includes a card adapter—approximately 1½” long and 15/16 of an inch wide—so the micro–sized card can be used with a standard SD card reader.
The card itself is approximately 9/16 of an inch long and 7/16 of an inch wide.