?Confidence to Buy?Please kindly note that all our products are carefully inspected before being shipped out. If you encounter any issues, please feel free to contact us without hesitation, as we stand firmly behind our cherished customers. ?Low Latency& Long Working Range?: The low latency of less than 20 milliseconds effectively ensures the natural and clear sound quality. Working range up to 164 feet,(164ft in Open Area, 65ft in area with obstacle) ideal to capture the audio in large scene. ?Real-time Audio Monitoring?With Real-time Monitoring Function of the professional wireless lavalier system,you can test whether it is working normally during recording to make sure the smooth recording. ?Single Receiver? Comica BoomX-DMI RX is a RECEIVER specially designed for BoomX-D wireless microphones.Compatible with iPad,iPhone iOS Phone. Widely used for YouTube Facebook livestream, Vlog recording, interview, podcast, presentation, church, wedding etc. ? 2.4G Digital Wireless, Global Frequency?Comica BoomX-DMI RX adopt advanced 2.4G wireless technology, It can automatically adjust the frequency when frequency are disturbed and brings you very good anti-interference effect.