... Terminal for iPhone, iPod touch, and iPad on the iTunes Credit Card Terminal for iPhone, iPod touch, and iPad on the iTunes ... - Small size Credit Card Terminal for iPhone, iPod touch, and iPad on the iTunes 's Specification Items Contents ... Input Operating 3.3V DC, 4.5mA and less then 2mA when Idle Operation temperature - ... )( Back ) Credit Card Terminal for iPhone, iPod touch, and iPad on the iTunes