Music Alarm Clock Radio with Its functions include speaker with high quality sound , music alarm clock, and FM radio receiver. Main Function : Used as a MP3 player with Built-in flash memory or external SD/MMC card. Alarm Clock function. Choose any music or songs stored in the SD/MMC card or flash memory and set it as ther ring, then you can wake up in the music you like. Support music format:MP3, WMA, etc. Built-in stereo FM radio. Digital clock display. Time power on/off. Wake up/snooze function, it will ring every 5 minutes until you get up. Can be used as an independent speaker.