I think this was posted over a month and was expired, now back at same price in stock.
only class 2.......
Compliant with the SD Specification Version 2.00
Versatile when combined with the adapter, can be used as a full-size SDHC card
Compatible with microSDHC host devices; not compatible with standard microSD-enabled device/readers
File Format FAT 32
Dimensions: 11mm x 15mm x 1mm
Operating temperatures: -13°F to 185°F (-25°C to 85°C)
Storage temperatures: -40°F to 185°F (-40°C to 85°C)
Weight: .05 oz (1.4g)