Color: Black Length: 195cm Outside Diameter: 4mm Connector Type: Square Mouth TOSLINK To Mini 3.5mm Round Mouth TOSLINK Optical Audio Connector Material: PVC Function: Audio Transmission And Short Distance Data Transmission Range Of Application: (1)Audio Connection Between DVD, CD player And Amplifier; (2)Audio Connection Between The Computer And The Power Amplifier; (3)Connection Between PS II, PSIII, HDVD And Amplifier; (4)Audio Connection Between Digital TV Set-top Box And The Audio Amplifier. Package Contents: 20 x Audio Optical Fiber Line Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.