Portable Amplifier 7"high definition LCD display DVD player,FM radio receiver,USB,SD jack Built-in 18V battery ... Portable Amplifier ,7"high definition LCD displayDVD player , FM radio receiveer , High fidelity cassette player Description : It was designed with versatility ... double surface SMT circuit9.Built-in car DVD player ,FM radio receiver,can play DVD,VCD,CD,MP3,MP4 disc10.USB,SD connector,can ...