1 to 2 Y Connector Adapter Splitter Cable 3.5mm 6.35mm Jack Stretchable Audio Cable for compatible with Sennheiser HD660S HD650 HD600 HD580 Wired Headphones Feature: The stretchable spring design is about 5 meters long. Using optimized core structure to obtain excellent performance signal transmission, to maximize the potential of headphones. The resolution is improved, the sound is transparent and smooth, the details are clear and layered; the middle frequency is moist, the human voice is magnetic; the low frequency is full and powerful. Applicable models: for compatible with Sennheiser HD650 HD600 HD660s HD580 and other headsets. Specification: Type: Audio cable Applicable equipment: for compatible with Sennheiser HD660S HD650 HD600 HD580 Wire core material: Bare copper wire Wire material: Oxygen-free copper Product Certification: ROHS Colour: Black Plug: 3.5mm+6.35mm adapter Wire length: 1.2 meters, stretched about 5 meters Weight: 108g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 X Audio Cable The stretchable spring design is about 5 meters long. Using optimized core structure to obtain excellent performance signal transmission, to maximize the potential of headphones. The resolution is improved, the sound is transparent and smooth, the details are clear and layered; the middle frequency is moist, the human voice is magnetic; the low frequency is full and powerful. Applicable models: for compatible with Sennheiser HD650 HD600 HD660s HD580 and other headsets.