Add more storage space to your SmartPhone and Capture, save and transfer more videos, music, photos and digital book content with Wintec FileMate 8GB Class 4 microSDHC Card with SDHC Adapter. It is great for upgrading storage on the most popular e-Readers. Experience Class 4 read and write capabilities of up to 4 MB/s. Most of today's most popular devices are compatible with SDHC Flash memory card. SDHC enabled products will work with Wintec FileMate 8GB Class 4 microSDHC Card and SD memory cards.