Features: Brand new and high quality Adjustable frequency, working ranges 76‑108MHz, 0.1MHz step, total 320 transmitter frequencies with memory function. FM transmitter can be regarded as a small FM radio station, input sound signal, output FM high frequency signal, through the antenna to transmit into the air. People in the surrounding area use the radio to receive it. Ordinary radio, can receive FM radio can be good to receive the signal transmitted by this transmitter. LCD display, the display content is the current transmission frequency. Measurement of transmitter in the open field can be up to 2000m away. FM stereo transmitter uses 5V power supply, the power supply is USB Type C specification. The current consumption is about 500mA. Specifications: Material:PCB Output power: 10~500mW (0.01-0.5W) @ 88-108MHz. Power supply voltage: 5V USB-Type-C. Power supply current: 500mA Signal-to-noise ratio: 63dB 0.05% THD Weight: 120g Size: Approx.8x4.8x1cm/3.15x1.89x0.39inch Package Includes: 1x FM Transmitter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.