Ultra small, super-compact and very reliable, the SanDisk TransFlash 16GB micro-SD card gives you the speed, reliability and storage space that you need to save data from your mobile devices including phones, PDAs, SmartPhones, portable media players and other compatible devices. With design elements based on TriFlash technology, the SanDisk TransFlash range is designed to last and to continue being compatible with new technology well into the future. This 4 gigabyte card can store about 4000 MP3 songs, 16000 high-quality digital photographs or literally thousands of text documents.