Features: 6.35 female to 3.5 male AUX adapters cable, insert and use. Mainly used for extending and converting AUX cable, it solves the problem of insufficient cable length, without noise, and highly definition sound quality. Convenient to use regular 3.5mm headphones on 6.5mm port devices such as amplifiers. Suitable for AUX transmission between 3.5mm devices (smartphones, tablets, headphones, etc.) and 6.35mm devices (amplifiers, guitars, pianos, etc.), headphones, microphones, amplifiers is widely worn, including guitars, pianos, mixing consoles, home AUX system. Quality connectors ensures highly stability, corrosion resistance, better transmission performances, durability, and more realistic sound. Specifications: Component: Copper+Plastic Type: Double Channel, Single Channel(optional) Length: 30cm, 180cm, 300cm(optional) Size: about 30cm/11.8inch, 180cm/5.9ft, 300cm/9.8ft Package Includes: 1pc 6.35mm to 3.5mm AUX Cable note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.