Fangrui Product Details Equipped With Advanced Bluetooth 5.0 Technology, It Ensures Seamless Connectivity, Catering Perfectly To Live Performances, Recording Studios, And Speech Amplification In Churches. Long Range Connectivity: Up To 80-300m Transmission Range In Open Spaces, Ensuring You Are Connected At All Times. High-fidelity Sound: Delivers Crystal-clear Audio, Enhancing Your Listening Experience During Performances Or Recordings. Multiple Applications: For Recording Studios, Live Concerts, Church Gatherings, And More. Compatibility: Easily Connects With Multiple Bodypack Receivers For A Versatile And Expansive Sound System Setup. Frequency Range: 530-580 Mhz 1x100chs Sampling Rate: 48khz Transmission Speed: 204.8kbps Dynamic Range: 90 Decibels Total Harmonic Distortion:less Than 0. Audio Transmission Delay Time:less Than 3ms Signal To Noise Ratio: 96 Decibels Frequency Response: 30~20khz Receiving Sensitivity:less Than -94dbm Due To Different Batches, There May Be Differences In Product Appearance And Printed