Quality Material And Design PVC exterior and laserwelded plugs with a strainrelief design deliver durable, reliable performance from end to end. The connector includes a dust cap to protect against contamination when not in use. Improve Sound Quality The Toslink Jack to Mini Plug Optical Adapter uses gradedindex optical fibre to significantly reduce signal jitter and optical distortion. Goldplated connectors and buffer tubing help ensure signal transfer. Audio Clarity By reducing issues related to electrical grounding noise, this adapter provides clearer audio when used with compatible devices. Compatible Devices The optical 3.5mm connector mini TOSLINK plug is designed for devices with a builtin 3.5mm OPTICAL port, such as iMacs, TVs and notebooks. Use scenarios Computer or laptop to external DAC: Use with devices that have a 3.5mm optical port to improve digital audio output in music, movies, or games when routed to a DAC or compatible audio system. TV or home theater enhancement: Connect a TV or streaming device with an internal 3.5mm optical port to an external audio processor or sound system for better channel separation and clarity. Desk or entertainment setup: Pair a compatible notebook or desktop computer with an external audio system to achieve higher fidelity sound during daily computing, media playback, or presentations.