Etymotic High-Fidelity Earplugs， ER20XS Universal Fit Hearing Protection<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Includes: 1 pair of high-fidelity earplugs with standard fit 3-flange eartips and removal tabs attached; 1 pair of large fit 3-flange eartips; 1 pair foam eartips; neck cord; carrying case.</li><li>Eartips are interchangeable and replaceable， making them the most cost-effective high-fidelity earplug.</li><li>New， low-profile design fits snugly in the ear without protruding; comfortable to wear under hats， helmets and other headgear. Reduces the potential for hearing damage from machinery， vehicles， tools， sporting events， concerts.</li><li>Sound quality is so good， they're used by professional and amateur musicians. Hear the difference true high-fidelity makes. Reduces sound levels evenly so speech and environmental sounds are clear and natural.</li><li>Not recommended for use with impulse noise， e.g.， shooting sports. Not recommended for sleeping</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31KBjGq7pQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/410VeA-fPIL.jpg" noproxy>