Features: 0.5W transmission power: With a transmission power of 0.5W (500mW), it can cover a wide wireless transmission distances and provide stable signal transmission. Output frequency: frequency adjust working 76-108MHz, with a total of 320 transmission frequency in stepsof 1MHz or 0.1MHz, with memory function Digital display: Digital display screen, convenient for users to monitor current frequency and other setting parameters timelyand the operation is simple. Stereo output: Supports stereo output, making music, voice, and other content more realistic.Receiving equipment: A regular radio that can receive FM broadcasts can effectively receive signal emitted by this Transmitter Easily set up your own radio station at home, in church, or in community centers. Specifications: Voltage: 5V USB TypeC Current: 500mA Input signal: stereo 3.5mm Output power: 10-550mW 0.01-0.5W @ 88-108Mhz<br/> Signal to noise ratio: 63dB Size: about 8.5x5x2cm/3.35x1.97x0.79in Package Includes: 1PC Broadcast Station note: Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. please make sure not mind before bid. Due to the differencesbetween different monitors, the picture may not reflect the actual color the item. Thank you!