1. Signal-to-noise ratio: about 70db 2. Rated power: 1A 3. Battery life: 6-8h 4. Battery capacity: 300mAh-500mAh 5. ABS shock-absorbing and anti-slip clip, easy and stable to clip 6. After the receiver and transmitter are successfully matched, clip the transmitter to the mouth of the saxophone, and insert the receiver into the speaker for use 7. Spring shock-absorbing microphone head reduces the echo between the microphone and the saxophone, allowing the performer to give full play without worrying about noise
