Additional Details ------------------------------ Product description: Introducing the Plugfones Guardian Plus--WHERE EARPLUGS MEET EARBUDS. We?ve combined comfortable, noise-reducing earplugs with high-quality audio speakers. The resulting hybrid provides the ultimate hearing protection + listening experience on the market. At Plugfones, we believe that work should be enjoyed--so we created an earplug-earbud product to help you do exactly that. Plugfones allow you to hear outside low-level noises while listening, so they're great for any loud environment you find yourself in--working out at the gym, DIY-ing in the workshop, shooting at the range, or traveling via motorcycle or plane. The Guardian Plus has Noise Reduction Ratings (NRR) of 23 and 26 dB (depending on the plugs used), which protect your hearing while letting you to listen to your music. The Guardian Plus features the IsoTalk Noise Isolating Mic that helps reduce noise when speaking and the Quickdraw Easy Access Control for managing music and calls. As the most unique and effective earplug-earbud hybrid, Plugfones are engineered to last with a double-reinforced jack and flexible wire casing. With interchangeable foam and silicone plugs, tuned speakers, and SoundSeal Noise-Suppressing Technology, they help you get in the zone and stay there. Because comfort is key, our products are designed to fit all ear types, keep you irritation-free, and be worn for hours at a time. Each set includes the Guardian Plus earplug-earbud hybrid, one pair of ComforTwist Foam Plugs, one pair of ComfortTiered Silicone Plugs, waterproof case, cable management clip, and quick start guide. Wired Plugfones come standard with a 90-day no hassle warranty. Plugfones are independently tested and compliant with ANSI S3.19-1974 noise reduction standards as certified by Michael Associates, Inc. and meet NIOSH criteria. Plugfones are not manufactured by, endorsed by, affiliated with, or supported by the 3M Company. CHOKING HAZARD: Not suitable for children under the age of 3.