Hello everyone, I purchased the SanDisk Ultra 16 GB MicroSDHC Class 10. the price of this product is 339 for 16 GB. Quantity 2, one for me and another for my friend. This micro sd card is awesome, and its speeds are too good for sending the files and receving the files.It delivers superb performance.My opinion, It is one of the best choice for smartphones users, one who use keep the large amount of data on your phones. Thank you.!