Winnereco 3.5mm Male to Male Audio Flat Cable Headphone Adapter,Green Audio socket of TV, PC, CD, VCD, DVD, MP3 and other Interconnection between devices with 3.5 mm audio interface, such as PC Speakers, computer, cassette CD, MP3, MP4, and etc. Connect computer with speaker for power amplifier Suitable for portable CD/MP3 player,other digital sound equipment and stereo speaker and sound card Connect MP3/MP4 with amplifier audio equipment Flat cable, flexible and durable performance