Features: Improve the resolution and separation of headphones, eliminating the dullness of low sound. With good conductivity, and highly corrosion resistance. It can reduce signal transmission loss and current noise effect due to external magnetic fluxs passing through connection wire. This cable bring strong and energetical sound, with improvement in highly, medium, and highly frequency. Low frequency are not dull, enjoy excellent independent music charm and impressive sound quality. Suitable for earphones. Specifications: Material: PVC Type: Standard Type, with Microphones Type(optional) Length: about 130cm/4.2ft Package Includes: 1x Headphone Cable note: Others demoed in the pictures are not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.