1. -up plug is very convenient, can accurately align the optical signal and successfully transmit large data volume 2. Super heavy-duty plug, close to the fiber interface, is also very easy to plug 3. High speed, high fidelity, low loss broadband transmission performance 4. Long service life, very suitable for decorating dark lines 5. The body is soft and elastic. Name: Digital Audio RCA Cable Skin:Environmental Wire:Proper flexibility Material:Metal Core Material:Pure Copper Instructions: 1. Remove the dust caps on both ends of the fiber optic cable plug and insert the fiber optic connectors (OPT OUT, OPT IN) for each device. 2. Do not bend the fiber optic cable to an angle of less than 50 degrees to avoid damaging the fiber core. 3. Before use, remove the dust cover on the fiber plug and keep the fiber plug clean. 4. The fiber plug has directionality. When using it, make sure that the plug and socket are oriented the same before plugging in the socket. Colour: Red Material: gold-plated Size: Cable length: 2m Package Contents: 1 x Audio RCA Cable Only the above package content, other products are not included. Note: Light 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.