1.UHF Frequency Range: The sax microphone operates within a UHF frequency range of 570-590MHz, a stable and clear audio transmission without interference, ideal for live performances. 2.Selectable Channels: With 16 pre-set selectable channels, this system allows you to easily switch between frequencies, providing flexibility and reliability during performances to avoid signal disruptions. 3.Low Latency Performance: Featuring a latency of less than 6ms, the microphone delivers real-time audio transmission, making it perfect for musicians who require immediate while playing. 4.Long Battery Life: The transmitter and receiver are powered by a rechargeable 3.7V 800mAh battery, offering 6 to 8 hours of continuous usage, extended performance without interruptions. 5.High Sensitivity : With a signal-to-noise ratio 92dB and a frequency response range of 40Hz to 20KHz, this microphone system captures the rich tones of saxophones and brass instruments with exceptional and minimal distortion. Part Name:Microphone RECEIVER: Frequency range: UHF 570-590MHz Frequency: Pre-set 16 selectable channels Modulation mode: DQPSK Latency: Less than 6ms Frequency response: 40Hz - 20KHz Total Harmonic Distortion: Less than 0.8%(1KHz) Signal/noise ratio: 92dB Receiving sensitivity: -92dBm Output: 6.35mm Adapter Power supply: 3.7V 800mah Power consumption: 6-8hours continuosly using TRANSMITTER: Frequency range: UHF 570-590MHz Modulation mode: DQPSK Transmitter power: 10mW Sensitivity: ±3PPM Frequency change: for IR synch Microphone type: Condenser Microphone dimension: Φ14x5.0mm Power supply: 3.7V 800mah Power consumption:6-8hours continuously using Color: As Shown Material: plastic Specification:A:One and Two Package Contents: 2 x transmitters 1 x receiver 1 x charging cable Only the above packa