MagTek uDynamo Android and iOS Audio Jack Swipe Card Reader
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General Information

Plug and Play

Fixed headphone jacks can easily break, get in the way and even poke you while in your pocket. uDynamo was designed to allow the headphone jack to retract and move out of the way when not in use.


uDynamo connects to a wide variety of devices. It works with Windows, Android and iOS mobile devices via its retractable headphone jack. As an alternative, uDynamo also provides a USB HID interface through its on-board Micro USB port.

One million swipes

A rechargeable on-board battery allows for 1,000,000 swipes over its lifetime (compared to 20,000 swipes in lower-cost readers).

Stability your lines can't live without

The adjustable stabilizing grips can be adjusted in 3 different positions with two different size grips, enabling the uDynamo to avoid interference with on/off buttons, cameras, protective cases and other design elements that are unique to each mobile device. When lines are out the door, you want your reader to work the first time.

Secured by the MagneSafe Security Architecture

MagneSafe™ is a digital identification and authentication architecture that safeguards consumers and their personal data. Designed to exceed PCI regulations, MagneSafe leverages strong encryption, secure tokenization, counterfeit detection, tamper recognition, data relevance and integrity, and dynamic digital transaction signatures, which together validate and protect the entire transaction and each of its components.

Technical Information
Magnetic Stripe Track Configuration:Triple Track
Magnetic Stripe Track Number:Track 3
Magnetic Stripe Track Number:Track 2
Magnetic Stripe Track Number:Track 1
Minimum Swipe Speed:6 in/s
Maximum Swipe Speed:60 in/s
Magnetic Stripe Format:AAMVA
Magnetic Stripe Format:ISO 7811
Magnetic Stripe Format:ISO 7810


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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

  • UPC: 859907005010 
  • Mfr's Part #: 21073092