3pcs 3.5V / 5V Micro SD Card Module TF Card Reader SDIO/SPI Interface Mini TF Card Module

Parameter: ? Power supply: 3.3V or 5V, depending on the power supply voltage of the microcontroller SPI mode: 4-wire system SDIO mode: 6-wire system LED light 4 X fixed positioning holes ? Package included: ? 3 X Micro card reader module