Model N/A Quantity 2 Color Blue Material PCB + Plastic + Copper Features Double pin design solid and durable the back of the card board reserves the weld Micro SD Card the user can add their own welding Micro SD Card. And one package contains two pieces lower cost Specification SD card reader module compatible with 5V 3.3V two levels; Conveniently connect with Arduino STM32 MSP430 or 8051 etc microcontroller to make SD card reading and writing; The back pf PCB board reserved one micro SD / TF card soldering port; Supports SD card up to 2GB Application Allows to read and write to the SD card using your Arduino through programming; Great for DIY project English Manual/Spec No Packing List 2 x Modules