... x1mm ,similar size as a fingernail,current capacity: 128MB,256MB,512MB,1G,2G,4G,8G,16G,32G,64G,128GProduct Parametersl,Size ... /s,write:5m/s(based on cards class and capacity)6,Voltage:2.7~3.6V7,Working temperature: 0 centigrade to 60 ... be customized by customers' logo. besides tf cards,we also supply sd cards,sdhc,sdxc,CF cards and etc,please feel free to contact ...