1. Display the number of radio stations received, the current radio station number, the current radio station frequency, and memory storage. 2. Receiving frequency 87.5MHZ--108MHZ, does not support Japanese frequencies. 3. Automatic reception/manual FM. 4. Onboard radio antenna, or external antenna (self-provided).FM transmitter: 1. Stereo transmission, if the input is stereo, it will transmit stereo, if the input is mono or mixed, it will transmit mono or mixed, and it cannot be set. 2. Stereo separation Greater than 35dB. 3. Transmitting frequency 76MHZ--108MHZ, supports global frequencies. 4. Set the frequency step to 0.1MHZ. 5. Transmit power 0.5W. 6. Transmit distance is related to the environment and the receiving sensitivity of the radio. Of course, the biggest reason is the transmit power. Generally, it is 200 meters to 500 meters. Power supply: 1. Onboard lithium battery, 2800 mAh, can work for more than 8 hours without connecting headphones, and can be used while charging. 2. Charging voltage, 5V/1-2A 3. TP-C charging cable. It can also be connected to the amplifier through the AUX output port. EQ sound effect mode function: normal, rock, jazz, country, pop, classical. 3. Support EQ sound effect setting. Color: Blue Material: PCB Package Contents: 1 * Multifunctional Audio Decoder 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-SHANGBS trading