Your shiny new smart phone can use Strontium 4GB MicroSD Card to store all your valuable content. With 4 GB storage space at your disposal, you can have approximately 1000 songs and 650 pictures stacked in your smart phone. The card with its enormous storage space accelerates the operations instead of slowing them down. This microSD card by Strontium belongs to class 4. This means the transfer speed it delivers is 4 MB/s. the mechanical switch is provided to forbid data loss. This memory card is compatible with a digital camera as well.