Able to keep up with the speed demands of the latest mobile devices the class 10 speed rating of our new 16 gb microsdhc card guarantees a minimum sustained transfer speed of 10 mbs users of such capacity are now able to store vast amounts of multimedia content and they dont have to wait ages to upload them high speed class rating 10 read speed 10mbsec minimum data transfer rate write speed 10mbsec minimum data transfer rate operating temperature 25acircdegc to 85acircdeg