ISOtunes PRO is the world's most advanced noise-isolating bluetooth earbuds. With an Ansi certified noise reduction rating of 27 dB, ISOtunes PRO offers greater noise reduction than any other in-ear headphones available today. But that's not all. ISOtunes PRO's signature noise isolation is coupled with a solid state noise cancelling mic for clear calls in loud environments, premium aptx streaming sound quality, custom fit memory wire for stability, IPX4 water and sweat resistance and Bluetooth 4.1 + EDR compatibility. The product is also 100% Osha compliant for use in the workplace. If you're looking for a premium noise isolation experience that will last all day and weather any environment look no further. It's a perfect fit for lawn care workers, manufacturing workers and office workers alike. It'll accompany you on long international flights or a string of domestic flights without needing a recharge. It'll go wherever you go, whether for work or for play, with the promise of a secluded listening experience like you've never had before.