Fangrui Product Details 1. [high-quality Sound Transmission] This Xlr Wireless Transmitter And Receiver System Uses A 2.4ghz Wireless Frequency Band, With The Characteristics Of High Signal Stability, Less Interference, And Short Audio Delay. The Delay Is Less Than 5ms, There Is No Delay Or Signal Loss, 24-bit Audio Resolution, And The Sampling Frequency Is 48khz. 2. [one-button Operation] The Plug-and-play Design Is Very Convenient To Use. After Powering On, The Xlr Transmitter And Receiver Are Automatically Connected. This Xlr Microphone System Is Small And Exquisite; 3.[6 Hours Continuous Use Time]built-in Lithium Battery. In Open Space, The Transmission Range Can Reach 100 Feet. It Is For Performances, Venues, Weddings, Speeches, Churches, Conferences, Club Mcs, Content Creators, Mobile Djs And Home Studios, Etc. Wireless Microphone System Xlr Is Suitable For Speakers, Sound Cards, Mixers, Mobile Phones, Camera Mic Audio Applicable Objects: Home, Stage, Ktv Dedicated, Interview Dedicated, Live Crowd Signal-to-noise