FEATURES. Meets Secure Digital 2.0 specifications. -Fast data transfer rate. -Store data, music, pictures and videos. -Can be inserted into SDHC sockets. SPECIFICATIONS. Description. Write-protect switchConvenient. Interface. SD. Capacity. 4GB~32GB. Write Protect. Yes. Power Supply. 2.7 ~ 3.6V. Dimensions. 32 x 24 x 2.1 mm (1.26 x 0.94 x 0.08 in).