... 3,class4,class6,class10 TF Card IntroductionT-Flash card,full name is TransFLash,the other name is micro SD,it is developed by Moto ... both memory cards,tf cards can be used as sd cards with a sd adapter.Functionit is mainly used for cellphone,GPS,Music player ... and etc,please feel free to contact me if you are interest in any of them 2gb 2g micro sd card with sd adapter and retail packing