With EP Memory"s microSD cards, you can expand the storage capacity of your mobile phone to hold more music, pictures, movies or data files. Easy to use, these cards are an exceptional boost to the latest mobile phones and PDA"s. Check your user manual for compatibility. Features: Compliant with SD Card Association version 1.10 specification standard. Includes full-size SD card adapter with write protection switch. Data retention - 10 years. Extremely Small Footprint Design. Dimensions - 0.43" x 0.59" x 0.039" (11mm x 15mm x 1mm). Plug and play. Low power consumption. Card Capacity and Print Sizes. Backed by EP Memory"s 5 Year Warranty