Sony MDR-EX51LP Fontopia Headphones (Discontinued by Manufacturer) Reduces Outside Noise For High-Intensity Listening Superlight, In-The-Ear Design 9Mm Driver SoFeet, Silicon Earbuds 3 Sizes Of Earbuds Closed-type headphones reduces outside noise Oxygen-free copper cord for corrosion free performance Four-foot neck-chain cord included Handles up to 100 watts of power Includes two sizes of silicon earbuds and compact case