... -in loudspeaker 3.FM stereo radio (optional) 4.Model color: black,silver,blue,pink,r High quality mp3 usb with two-color LCM display ... Built-in good quality Li-ion battery .5.with LCD screen. 6.Built-in memory:1GB-8GB. 7. Music player function, support ... format:MP3,WMA,WAV.8 Built in good quality FM radio9. Voice recording function ...