After-sales service: If you have any quality complaints or other questions, please click the "Order" option and then "Contact Seller" or send an email to the after-sales service email address listed in our user manual. Our brand after-sales service team will be at your service at any time. 10 Hours Continuous Use Time: With built-in large capacity battery, this wireless system can be continuously used for 10 hours after being charged for 1 hour. The transmission range is up to 100ft in open area. The lock design of the XLR plug protects the transmitter from accidentally falling. Plug and Play: No need complicated settings, plug and play design is very convenient to use. The transmitter and receiver are automatically connected after power on. This system is small and delicate. The transmitter is only 40g and the receiver is only 43g. Designed for Dynamic Mic: XLR wireless transmitter and receiver works with any dynamic microphone, audio mixer, PA system and provides stable and reliable wireless transmission. Designed for your dynamic mic and let you get rid of cables. Support 6 sets in the same place simultaneously and is suitable for live performance and gigs, venues, weddings, speech, club MC, content creator, mobile DJ's and home studio, etc. High Quality Sound Transmission: This wireless microphone system adopts 2.4G wireless frequency band, which features high signal stability, low interference and short audio delay. Less than 5ms Latency, no lag or no signal loss, 24-bit Audio Resolution with Sampling Frequency of 48K.