FM / AM 2 band stereo radio can search and store radio stations automatically or manually; can store 58 radio stations (29 AM / 29 FM) With the preset distance function of the Walkman radio;you can listen to more of your favourite stations;you can set the sleep time (0-90 minutes) to save energy The locking switch prevents accidental operation; the digital volume control with 31 levels allows easy use in any situation Built-in 500 mA battery; connect the radio to a normal DC 5 V adapter (not included) or computer (the charging current should not exceed 1 A) The portable radio can only listen to the radio via headphones; the 1.5 inch LCD display shows the current mode; the frequency and the battery level; so you can always know the battery consumption