Instructions: 1: Following the battery compartment indicator: Press the battery cover, correctly insert two AAA batteries (2X1.5V AAA) into the radio, close the battery cover, and insert the 3.5mm headphones before use into the radio's headphone jack (the headphones are the receiving antenna and the radio's sound). 2: Power Button: Briefly press the power button to turn on the radio; the LCD screen will display "ON" (indicating "power on"). In the start-up state, lightly press the power button to turn off the radio. 3: MODE: Automatically search and store radio stations / manually select channels, switch between two setting modes 3.1: Function steps for the automatic search and storage function: Press and hold the MODE button for 1 second; the radio enters the automatic search and storage radio function: During the automatic search and storage station process, the "FM" sign will be displayed in the upper left corner of the LCD screen, and the "PRESET" sign will be displayed below. 108MHz. In the automatic search process, if any other button is pressed, the function of this automatic search and storage station will be interrupted. Number of radio stations that can be stored: 20. After completing a fully automatic search station, the radio displays and broadcasts the first signed station found. 4.3.2: Manual channel selection, two conversions in setting mode: Each time you lightly press the MODE button, the left corner of the LCD screen displays the flashing "FM" sign, and the frequently displayed "FM" sign indicates that the two states are exchanged. & "FM" character flashes; at this time, the manual, - button is the frequency setting increase/decrease There are two modes for manual channel selection: manual channel selection and automatic search for radio stations. Manual channel selection: each time you lightly press the - button, press the radio step value 0.1 MHz to increase and decrease Automatically search for radio stations. Press and hold the button, the radio quickly searches for radio stations with signals, stops the radio stations with signals, and plays the searched frequency points. Users can use the two methods in combination to quickly set the desired radio station. & "FM" character is frequently displayed; at this time, the manual, - button is the volume increase/decrease setting mode Radio setting level: 00-15, a total of 16 levels can be adjusted; users can adjust the volume level of radio playback according to actual needs. Lightly press the - button to increase and decrease level by level; long press the - button to express volume adjustment. The user can mix the two to set them. 4.4:, - buttons: increase channel selection, decrease/volume increase, decrease/retrieve the number of stations increase, decrease & In the setting mode:, - button: increase or decrease the FM frequency & In the setting mode:, - key: increase or decrease the volume & In the channel access mode:, - key: increase or decrease the channel address number Package: 1XRadio 1XInstructions 1XLanyard 1XEarphone