This is the most simple and strongest card programmer in the world.The USB smartmouse/phoenix card programmer has only 1 USB port,which is used for power and data transfer.Computer will look the card reader as COM interface after installing driver.This card programmer supports 4 Crystal frequencies(3.579MHz,6MHz,8MHz and 10MHz),both 3.3V and 5V card voltage and Phoenix/Smartmouse working mode. It's ideal for programming, reading or writing of every smartcard iso 7816 Like Gamma card, titanium card, opos card, dragon card, anacondacard and many others. Main features: 1.Dimension: 75x60x15mm 2.Weight: 36g 3.Cable connection: USB for power and data transfer. 4.Prog. Mode: Phoenix/Smartmouse 5.Power Mode: DC 3.3V/5V shiftable 6.Frequency: 3.579MHz / 6MHz / 8MHz / 10MHz shiftable 7.Led: 2 LEDs for reading and writing