ID Tech IDMR-AJ80133 Mobile Audio Jack MSR and Smart Card Reader Part Number: IDMR-AJ80133 Interface: Audio headphone jack Color: Black Media Thickness: 0.03 inches (0.69 mm) minimum 0.04 inches (0.84 mm) maximum Head Duty Cycle (Passes): MagStripe Reader: 300,000 card swipes minimum Smart Card Reader: 100,000 card cycles minimum Humidity: Maximum 95% non-condensing Operating Temperature: 32° F to 131°F (0° C to 55° C) Storage Temperature: -22° F to 158° F (-30° C to 70° C)