NUX B6 Wireless Microphone System Review 

The NUX B-6 wireless system allows the Saxophone players to move freely without worrying about stepping away too far from their microphone stand. With an operation range of 20 meters, the NUX B-6 wireless system for Saxophone can significantly improve your performance convenience.
Link for NUX B6: amzn.to/3FzLMxt
Operating Frequency Band- 2.4 GHz
Audio Quality- 24-bit / 44.1 kHz
Operation Range- Up to 20 meters / 67 feet line-of-sight (environment-dependent)
Frequency Response- 20 Hz - 20 kHz
Latency- Less than 4ms
THD+ Noise- Less than 0.2% 1kHz @-10dbFS
Auto-sleep Mode- After 10 minutes without operation
Built-in Battery Capacity- 3.7V/500mA (Transmitter&Receiver)
Power Case Battery Capacity - 3000mAh
Battery Life- Up to 7 hours of playing time
Dimensions- 153(L) x 113(W) x 55(H) mm
Weight- 389g