About this item Cable Adapter Female 1/4' (6.3mm) to Male 1/8' (3.5mm) mini plug. The adapter cable converts a large headphone stereo plug 1/4' (6.3mm) to a small 1/8' (3.5mm) male mini-plug. Total length including adapters: 9'. The adapter is designed with high-quality components and gold-plated plugs for no degradation of the audio signal. Durable design with flexible strain relief eliminates the risk of damaging audio components. The extra cable length provides nice flexibility. The adapter is compatible with all headphones with a large 1/4' (6.3mm) plug. Product dimensions: 5 x 2 x 0.75 inches.