... input6.Digital MP3 input7.Built-in 5.5Ah battery 8.Music volume control and microphone volume control9.Microphone Echo control, ... battery12.Built-in rechargeable 12V/12AH alkaline battery,Low-voltage protection circuit.13.Battery charge time:6~10 hours,Battery ... dvd,svcd,MP3,MP4,WMA,VCD,DVCD,CD,JGPAccessoriesmanual instruction,power cord,wireless microphone, wireless earphone,remote control,AV cable ...