USB PC/SC Smart Credit Card Reader Writer 1. ... & idle screen set and picture storage etc. The interface is USB PC/SC. It can be directly used the Windows ... 1(supported 9600, 19200, 38400, 55800, 57600, 115200, 230400bps)Interface: USB PC/SCDisplay: 128×64 LCD, the color of LED: red ... , yellow, blue, greenPower supply: USB DC5VPower consumption: 0.9WLED: four LED (red, green, blue, ...