The Wireless ME is designed to be as intuitive and easy to use as possible, delivering crystal-clear wireless audio without any fuss. It features a simple interface, intelligent GainAssist technology to automatically control audio levels, a microphone built into the receiver (ME Mic), and the ability to record three microphones simultaneously.
The Wireless GO II boasts advanced features that make it more suitable to professional use cases. These include a safety channel, on-board recording, a built-in display, on-board controls, fine gain control and a 200m range.
For more information on their similarities and differences, check out this article.