Features:
1. Copper head
2. The wire is soft
3. Square head to round head, widely used
Example of use:
1.DVD player to AV receiver
2.CD player to MD transcription,
3.The connection of digital audio signal suitable for 3.5 audio optical output
Please note: The optical fiber of the 3.5mm audio port can be used only when it is connected to the 3.5 composite audio port with integrated optical fiber, not any 3.5 audio port.