Functional instructions:1: According to the indication mark on the cover : push up the battery cover, insert two AAA batteries (COVER AAA) correctly into the radio, put on the cover, insert the 3.5mm earphone before using "" At the headphone jack of the radio (headphones are the radio's receiving antenna and sonar).2: "" power :Shortly press power "" to turn on the radio, the LCD display shows "On" (indicates "turn on on").When it is on, lightly press power "" to turn off the radio.3: MODE: Automatically search and store radio stations / manually select channels, switch between two tuning modes3.1: Operation steps of the automatic search and store function:Hold the MODE button for 1 second, the radio will enter the automatic search and store the radio function:During the process of the automatic search and store station, the sign will appear "FM" in the upper left corner of the LCD screen and the character "PRESET" appear below. 108MHz. In the process of automatic search, if any other button is pressed, the function of this automatic search and storage station will be canceled. Number of radio stations that can be stored: 20.After completing a fully automatic station search, the radio will display and transmit the first signed station found.4.3.2: Manual channel selection, two conversions in tuning mode: Each time you lightly press the MODE button, the left corner of the LCD screen will show the "FM" character flashing, and the "FM" character will often show that the two states are being exchanged.& "FM" character flashes, at this time is the manual, button setting the frequency increases / decreasesThere are two modes of manual channel selection, one is manual channel selection and the other is automatic radio station search. Manual channel selection: each time lightly press the button, press the radio step value 0.1 MHz to increase and decreaseAutomatically search for radio stations. Keep the button pressed, the radio will quickly search for radio stations with signals, stop the radio stations with signals and play the searched frequency points.Users can use two methods in combination to quickly tune into the desired radio station.& "FM" character is often displayed, at this time the manual, button is the setting mode for volume increase / decreaseRadio 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 and button to increase and decrease level by level, long press and button to express volume adjustment.User can mix the two to set them.4.4:, - buttons: increase channel selection, decrease / volume increase, decrease / retrieve 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 numberPackage: 1XRadio 1XInstructions 1XLanyard 1XEarphone