COMFORTABLE EARPLUGS WITH AUDIO: The Plugfones line is compliant with ANSI S3.19-1974 noise reduction standards and meets NIOSH criteria. Made from durable soft foam to ensure long comfortable wear. ENGINEERED TO LAST: Plugfones feature a double-reinforced jack and flexible wire cg and a 30-day no hassle warranty. Comfortable earplugs are made with SoundSeal Technology. NOISE REDUCING EARPHONES: The Basic has a Noise Reduction Rating (NRR) of 26 dB, significantly reducing unwanted outside sound. Protect your hearing and enjoy your music all day in safety and comfort. BLOCK ENVIRONMENTAL NOISE: Ideal for activities like working out at the gym, DIY-ing in the workshop, shooting at the range, or motorcycle or airplane travel so you can hear the music, not the noise. WHERE EARPLUGS MEET EARBUDS: We’ve combined comfortable, noise-reducing earplugs with high-quality audio speakers to give you the ultimate hearing protection & listening experience.