Zipbuds FRESH Noise-Isolating Metal Earbuds with Tangle Free Zipper Cabling (Green) (Discontinued by Manufacturer) Patented Zipper Integrated Cabling: Tangle-Free, Smart and Stylish Immersive high-end audio powered by Zipbuds premium drivers Breakthrough "Vertebrae" design ensures lightweight flexibility Polished aluminum housings are tapered for optimal comfort and fit