... smallest cards in the present,tf cards and sd cards are both memory cards,tf cards can ... be used as sd cards with a sd adapter.Functionit is mainly used for cellphone, ... with tf cards slots l0,Standardization:comply with SD association standardsWarmly tips1,capacity:128MB/256MB/512MB/1GB/ ... customers' logo. besides tf cards,we also supply sd cards,sdhc,sdxc,CF cards and etc,please ...