Complex sentence: In February 2015, iZettle has introduced Lite Reader, a new card reader which it will offer to merchants free of charge, can be used directly by plugging into the audio jack of iPhone, iPad or any Android device.
Split into simpler sentences: In February 2015, iZettle introduced Lite Reader, a new card reader which it will offer to merchants free of charge. It can be used directly by plugging into the audio jack of iPhone, iPad or any Android device.