Pilot USA's Smartphone Digital Audio Recorder Adapter enables you to easily turn your tablet or Smartphone into a portable cockpit voice recorder (CVR). Simply plug your headset's mic jack into the converter unit, and the adapter's 3.5mm jack into your tablet or Smartphone's audio port to effortlessly record all in-flight radio communications - both in-cabin and ATC transmissions! When paired with your smart device's integral video recorder, it's easy to record both vivid in-flight video and the accompanying audio in crystal clarity. An outstanding tool for CFIs and student pilots looking to nab flight lessons for further review or demonstration. A highly useful cockpit accessory from the masters in quality at Pilot USA. Compatible with iPhone, iPad, Android, etc.