Worried about your phone’s internal memory getting over? Now add extra space to your phone’s memory with this 16 GB microSDHC memory card from SanDisk. This class 10 memory card offers a read speed of up to 48 MB/s, so you can transfer files to and from it quickly and efficiently. Not only that, it is X-ray-proof, waterproof, shock-proof and temperature-proof, making it durable enough to survive external elements.