Dual Channel Wireless Microphone System. The world’s smallest and first truly wireless microphone has been reborn. The Wireless GO II is an ultra-compact and extremely versatile wireless microphone system consisting of a dual channel receiver and two transmitters. Incorporating the same unique form factor and professional sound quality as the original Wireless GO with groundbreaking, patent-pending technology, the Wireless GO II is the perfect microphone for a wide range of content creation applications. The Wireless GO II boasts a range of powerful features, including universal compatibility with cameras, mobile devices and computers, extended range (200m line of sight) and improved transmission stability, on-board recording capabilities, and much more. This is next generation wireless audio.