The Audio Jack Smart Card Reader provided by ID Tech Solutions is one of the leading Smart Card Reader or also known as OTG RFID Card Reader. This Micro USB Magstripe Mobile Card Reader can also be used for the smart cards. This is highly recommended for all types of Magstripe / Magnetic Stripe Cards cards reading on the go. The Audio Jack can be easily connected with any Smart Mobile or Smart Phone either Android or Ios. This is also known as Plug and play mobile card reader. This mobile card reader is widely used for transactions, payments, verification, identification, and other customized uses.