Plug the reader into the audio jack of your smartphone or tablet. You may need to remove the protective case from your phone or tablet if it prevents reader from being properly plugged into the audio jack. If the reader moves while swiping or inserting credit cards, use the enclosed stabilizer. To use the stabilizer:
Note: You may need to maximize the media volume or other audio settings on your phone to make the card reader work properly.
Swipe or insert the card when prompted by the Mobile Pay app.
** Leave the card in reader until the payment application prompts you to remove the card.