* Memory Capacity: 4GB<br /> * Voltage: 3.3V<br /> * File Format: FAT 32<br /><br /> * Minimum data transfer rate: 1-3 MB/4 MB/6 MB/10 MB per second<br /> * Size: 24mm X 32mm X 2mm/0.94'' X 1.26'' X 0.08''<br /> * Security: Built-in write-protect switch to prevent data loss<br /><br />Package Included:<br />   1 x 4GB SD Memory card<br /><br />Feature:<br /> * Solid-state storage<br /> * Increase storage capacity<br /> * Secure digital memory card<br /> * Compatible with a variety of digital products: digital music players， cellular phones， handheld PCs (HPCs)， digital cameras， digital video camcorders， smart phones， car navigation systems and electronic books.