The BOYA BY-XM6-K1, a 2.4GHz adaptive frequency hopping wireless microphone system, consists of one transmitter, one receiver, as well as a charging case. It’s a perfect sound capturing, meanwhile delivering solution for one-person vlog, YouTube video, live streaming, interview, recording, etc. Advanced Technology for Stable Signal Transmission The BY-XM6 K1 adopts advanced Adaptive Frequency Hopping (AFH) wireless signal transmission technology, which can make the microphone avoid the disturbed hop frequency parts automatically to realize stable signal transmission in the range of up to 100m (328ft), without obstacle.