Additional Details ------------------------------ Product description: Introducing the Plugfones Liberate 2.0--WHERE EARPLUGS MEET EARBUDS. We?ve combined comfortable, noise-reducing earplugs with high-quality audio speakers. The resulting hybrid provides the ultimate hearing protection and wireless 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 Liberate 2.0 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. It 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 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 Liberate 2.0 wireless earplug-earbud hybrid, two pairs of ComforTwist Foam Plugs, two pairs of ComfortTiered Silicone Plugs, nylon zipper case, cable management clip, Micro USB to USB charging cable, and quick start guide. Bluetooth Plugfones come standard with a 180-day limited warranty. Plugfones are independently tested and compliant with ANSI S3.19-1974 noise reduction standards and meet NIOSH criteria. CHOKING HAZARD: Not suitable for children under the age of 3.