5-in-1 Multifunctional Alarm Clock Radio for Your Bedside: The digital alarm clock features an alarm clock, Bluetooth speaker, FM radio, night lightand Type-C & USB charger. It's compact and doesn't take up much room on the nightstand FM Radio or Buzzer: The clock radio has digital tuning capabilities, ranging from 87.5MHz to 108.0MHz. The FM radio can search for radio stations automatically or manually and can store up to 20 preset stations. The last played station will be used as your alarm sound. You can choose the alarm buzzer or radio music to wake you up. The alarm volume is adjustable between 1-16 levels. Note: When we use the radio, please turn on the antenna at the back of the machine to enhance the reception signal