The EARfoon is supplied with a 2 year guarantee on the fit and noise reduction. The fact that the EARfoon is made with durable acrylic material makes it virtually indestructible. The customized EARfoon hearing protectors are CE certified according to the PPE Regulation (EU) 2016/425 according to EN352-2:2002 by notified body PZT GmbH, Germany (EU-ID:1974). The conformity to type based of the production process, Regulation (EU) 2016/425, Annex VIII (Module D) is under surveillance of notified body PZT GmbH, Germany (EU-ID:1974) as well.  The EARmo field service and dealership network guarantee optimum service for the EARfoon hearing protectors.