Features:
Capacity: 16GB / 32GB
Compliant: with the SD Card Association specification version 2.00
Secure: built-in write-protect switch prevents accidental data loss
File Format: FAT 32
Simple: as easy as plug-and-play
Speed Class Rating: Class 4: 4MB/sec. guaranteed minimum data transfer rate
Dimensions: 0.94. x 1.25. x 0.08. (24mm x 32 mm x 2.1mm)
Warranty : Lifetime
Voltage: 3.3V