Features: 1Adopt advanced digital audio signal processing (DSP) technology and FM modulation phase?locked loop (PLL) to make the sound more lifelike and the performance more stable. 2The LCD display is more intuitive and accurate, with very low power consumption and minimal noise interference. 3Full digital control, digital regulator, digital noise reduction, more convenient operation, making the product more stable and durable. 4Exclusive use of SMD high?precision quartz crystal oscillator to ensure the stability of the transmitting frequency. 5With mono/stereo transmission mode switching, have good compatibility and support line/USB/MIC audio channel input. 6The transmission frequency ranges from 87.0MHz to 108.0MHz, and the frequency response ranges from 50Hz to 18KHz. Item Type: FM Transmitter Module Material: PCB Purpose: Miniature digital FM radio Output Power: 500mW Frequency Range: 50Hz-18KHz Receiving Frequency: 87.0MHz-108.0MHz Equivalent Noise:> 30dB Power Supply Voltage: 3V-5V 1 x FM Transmitter Module