... LCD Clock display,Dual Alarm clock setting,built-in battery Portable mini FM Radio SD/MMC/USB Flash Card reader speakerLCD Clock display ... phone / computer / MP3 player, audio players and other music FM radio function Support NAND FLASH / SPI FLASH Support FAT16 / FAT32 file ... volume control Built-in 600mA lithium ion battery, can play about four hours battery life (battery is low, the top will flash ...