Each pair of Vibes also includes:

Up to 13 hour battery life with 2 full additional charges stored in the rechargeable case

Easy handling thanks to rotationally symmetrical connectors

At any workplace

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Plugfones SOVEREIGN PLUGS Replacement Tips 1030332 Each pair of Vibes alsoSILICONE PLUGS INCLUDE: 5 pairs Comfortiered Plugs FOAM PLUGS INCLUDE: 2 Pairs Large Plugs (Single Tier) 2 Pairs Medium Plugs (Single Tier) 2 Pairs Small Plugs (Single Tier) SAFETY Plugfones Certified Noise Reduction Ratings The most important thing to remember about Plugfones is that theyre earplugs first and earbuds second. As such, the entire Plugfones line is tested and compliant with ANSI S3. 19 1974 noise reduction standards and meets NIOSH