Turquoise 1-BUD-Pro w/ zippered case and 3 sizes of eartips Premium Quality 1-BUD-Pro Earphone is part of our Gold-Series of 1-BUD Earphones Utilizes patented 1-BUD technology to mix the Left and Right stereo sound channels into one earpiece Premium Cord is designed for improved flexibility and strength from an increased number of internal wire strands Turquoise Colored One-Bud Earphone is Compatible with all types of audio products, featuring a 16-ohm impedance earbud that is very comfortable and the 3 sizes of eartips enable each user to customize the fit for their own ear Straight slim-style 3.5mm 3-conductor stereo plug fits through external carrying cases and the gold-plated plug provides static-free optimal contact and clear crisp audio