... host controller 8,Inbuilt-in RTC 9,FM Radio 87.5-108MHZ , storable 40 stations. 10 ... ,Remember songs and radio stations in the context of outage. 11,SD ... classical, bass, jazz, rock,soft,popular and SRS WOW 14,All Language: Simple Chinese , English, French, Spanish, Italian ... Battery 3.7v FUNCTION 1,Music support MP3,WMA,WAV,AUX playing. 2,Record support MIC, WAV. 3,FM Radio. ...