🌈【Multiple Card types】5V, 3V and 1.8V Smart Cards, ISO 7816 Class A, B and C. SIM Card. High-quality socket, dual card slot design, SMART card slot and SIM card slot, plug and play, when the USB is connected to the device, the indicator light will turn red, and when the card is inserted into the card slot, the indicator light will turn blue.
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