When the communication is meant for your ears only, you need to hear it clearly. That's the time to use EarHugger's S Series Listen Only Headphones. You can depend on the EarHugger to stay on and stay comfortable in your ear – so comfortable you may even forget it's there. • Small, comfortable 11 mm earbud • Air cushion ring added to earbud for enhanced comfort • Gold plated plug for better electrical connection • Neodymium speakers for increased volume and clarity • Heavy duty reinforced shielding at all stress points • Available with 2.5 mm or 3.5 mm plug, and long or short cord • 1 year manufacturer warranty.