This microSDHC card offers a removable storage solution for mobile devices that are equipped with microSDHC slots. By using the included microSDHC-to-SDHC adapter, you can also use the microSDHC card in any SDHC slot-equipped camera, card reader or computer. Write-protect feature on adapter prevents accidental erasure. The 4GB card holds up to 600 minutes of MPEG4 videos, 1,300 10MP JPEG Photos or 1,000 MP3 songs.