Features: Uses copper conductors for high-quality sound transmission. Wire with woven mesh protection for enhanced tensile strength. Aluminum alloy housing provides a durable, stylish finish that resists fading. Gold-plated copper plug ensures excellent signal conductivity, low transmission loss, and resistance to oxidation and discoloration over time. Compatible with mobile phones, tablets, laptops, MP3/MP4 players, and other devices with 3.5mm o output when connecting to amplifiers, active speakers, or power amplifiers with RCA inputs. Supports bidirectional o transmission; no need to distinguish between positive and negative connections. Connects 3.5mm jack devices to 2RCA input speakers or amplifiers, and 2RCA output sources to 3.5mm input speakers or amplifiers. Specifications: Material: Nylon Available lengths: 50cm, 1m, 1.8m, 300cm, 5m, 10m (optional) Length approximations: 50cm/19.6", 1m/3.2ft, 1.8m/5.9ft, 300cm/9.8ft, 5m/16.4ft, 10m/32.8ft Package Includes: 1 x 3.5mm Male to 2RCA Male AUX Cable Note: Allow 1-2cm variation due to manual measurement. Slight color differences may occur due to variations in display resolution.