1. The product is made of high quality material, the quality is guaranteed 2. The product frequency is adjustable, a total of 320 transmission frequencies with memory function 3. An ordinary radio, a radio that can receive FM broadcasts can well receive the signals transmitted by this transmitter 4. LCD display, the display content for the current station frequency 5. Stable product performance, long service life FM transmitter model: RC-FM Version: V100 Output frequency: Adjustable frequency, working range of 76 MHz, 108 MHz or 0.1 MHz step, a total of 320 transmission frequencies, with memory function Output power: 10-500 mW (0.01 - 0.5 W) 77-108 MHz Receiving device: An ordinary radio, a radio that can receive FM broadcasts can well receive the signals transmitted by this transmitter Display: LCD display, the display content for the current station frequency, the transmitter in the open areas of the maximum transmission distance of up to up to 2000 meters Supply voltage: 5V Type-C USB cable Supply current: 500mA Input signal: audio stereo, 3.5mm interface, standard Signal to noise ratio: 63dB 0.05% Color: Black Material: Plastic Package Contents: 1 * FM transmitter set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.