3.5mm Male Jack 4Port to 3-RCA Adapter Audio Stereo Extension Cable 1.5M
3.5mm to 3RCA Video-Audio Connection Line TV Box Sanlian Huatou 1.3AV Audio-Video Line 4 Poles 1.5M
Video output of MP4, MP5, household appliances, digital cameras, DVD and other devices adapted to DC3.5MM interface. Connect the computer audio output port with the audio. Connect the MP3 MP4 audio output with the audio. Of course Huawei box; the music box is suitable for personal testing.