1. The item is a toslink male to 3.5mm mini toslink male audio fiber cable. 2. Cable Outside Diameter: 4.0mm. 3. This toslink/optical digital audio cable provides you with the clearest possible signal, by preventing interference and improving sound quality. 4. This optical fiber cable connects to your DVD, CD, MINI Disc player and recorders, etc, and it provides you fully enriched and detailed sound quality. 5. Dust cap protects connector from contamination when not in use.

http://olla.gr/3m-od4.0mm-toslink-male-to-3.5mm-mini-toslink-male-digital-optical-audio-cable/