Description: The extension cable has high-strength aluminum alloy case, which makes it have strong anti-interference capability and durable to use. With high fidelity sound quality design, the extension cable can present lossless sound quality for you. Made of high-quality TPE and aluminium alloy, the extension length is environmentally-friendly, practical and safe to use. There are 3 different cable lengths for you to choose from 100cm, 200cm and 300cm, and you can choose one as per your needs. It is compatible for all devices with 3.5mm audio port like mobile phone, computer, MP3/4, DVD, television, radio, CD player, headphones, speakers, etc. Item Name: Extension Cable Material:Aluminum Alloy,TPE Interface Type: 3.5mm Cable Length: 100cm/200cm/300cm (Optical) Size Details: Cable Length: 100cm/39.37", 200cm/78.74", 300cm/118.11" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 X Extension Cable