The SpyX Micro Listener is one of the group of SpyX must-have essentials for any spy on a mission. The Micro Listener features a powerful microphone that transmits to the attached earpiece allowing you to listen in on sceret conversations. Micrphone base clips to your pocket for hands free surveillance. What could be more fun?SpyX surveillance, communication and concealment equipment is the next generation of cool spy toys. Taking design cues from cutting edge technology and real field equipment, SpyX products are designed with a rough, tough look that every budding spy will appreciate. But they don't only look great - they are designed to work better and be more durable through even the most active play. Perfect toys for buddy play; make sure your child has a set on hand for friends, too!