... power Credit Card Terminal for iPhone, iPod touch, and iPad on the iTunes Credit Card Terminal for iPhone, iPod touch, and ... size Credit Card Terminal for iPhone, iPod touch, and iPad on the iTunes 's Specification Items Contents ISO 7811, Track Track 1 ... then 2mA when Idle Operation temperature -10~50°cLife time of head Min. 300,000 passes Interface 3.5mmaudiojack/plugwith4signalcontacts-leftearphone ...