Mini Portable Card Reader: 1. Mini size 2. with battery inside 3. can read single, ... tracks Mini portable card reader:It's a battery-powered portable magnetic swipe reader, which is ... of using300,000 timesRead cardTrack1,Track2,Track3 Description:1.Battery operated and easy replaceable2.This card reader ... order. 5.Ways of providing power: lithium battery ,USB or from the electric power. Afering getting ...