SanDisk 4GB Mobile MicroSDHC Class 4 Flash Memory Card With Adapter- SDSDQM-004G-B35A Available capacities: 1 GB, 2 GB, 4 GB, 8 GB, 16 GB, and 32 GB Seamless speed and performance with microSD/SDHC compatible device Class 4 Speed performance rating (based on SD 2.0 Specification) Tested under the most extreme conditions MicroSD 2GB and microSDCH 4GB and 8GB products include a full-size SD adapter