Fangrui Product Details 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