The Smerkod Professional Wireless Lavalier Microphone is a dual wireless lapel microphone system that includes a receiver and two transmitters, allowing you to record sound from two parties simultaneously. It is compatible with a wide range of devices including iPhone, iPad, Android phones, computers, laptops, and more. The microphone is plug and play, with auto pairing functionality, and features omnidirectional sound pickup with smart noise reduction for clear audio quality. It has a long distance transmission range of up to 65 feet and a battery life of 5-6 hours. The product comes with a 18-month warranty and friendly customer service.