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The high fidelity ear plugs are mechanical and are for volume reduction. Therefore, the ear plugs are not, nor do they require recharging. They do an excellent job allowing the full spectrum of sound to enter the user's ears, while protecting the user from dangerous sound levels.
Sorry, there was a problem. Please try again later.These are earplugs, they do not charge.
Sorry, there was a problem. Please try again later.The earplugs are removable from the included string (recommended to prevent dropping/losing the earplugs) The earplugs do not need to be charged in any way as they are passive earplugs by virtue of their design and are not electronic/active noise cancelling type earplugs
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