["brand new and high quality\r\nMaterial: Electrical components\r\nColor: See pictures\r\nProduct Features:\r\n1: The use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked loop (PLL) to make sound more realistic, more stable performance, long working hours without frequency offset.\r\n2: LCD display is more intuitive and accurate, with very low power consumption and minimal noise interference.\r\n3: Built-in 30 digital volume adjustment, the for key operation can be easily completed.\r\n4: automatic memory before power down the volume and frequency of information\r\n5: multi-channel audio input automatically switches\r\n6: High-precision SMD quartz crystal frequency stabilization, temperature, voltage changes the transmission frequency is no longer drift\r\n7: supports serial command control\r\nProduct parameters:\r\nOutput power: 100mW\r\nAudio Frequency Range: 50Hz-18KHz\r\nTransmission frequency:\r\nClose campus radio 87.0MHz-108.0MHz, open campus radio 76.0MHz-108.0MHz\r\nFrequency adjustment step: 0.1MHz / second (short for key press), 1.0MHz / for time (long button press)\r\nModulation modes: standard FM FM\r\nChannel: LINE / USB channel (stereo), MIC channel (mono)\r\nEquivalent noise: ≥30dB (sound close to CD quality)\r\nSupply voltage: for DC 3.0V-5.0V\r\nOperating Current: 35mA\r\nTransmitting antenna: 75cm whip antenna\r\nTransmission Distance: FM transmitter module connected 75cm standard rod antenna with radio Desheng PL-660, open to the measured coverage radius of\r\n100 meters. (Note: The transmission range is for reference only, because the environment is slightly different)\r\nSize: See the picture\r\nNo retail package\r\nQuantity: 1Pc\r\nNote: Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!!"]