Ears are like humans â all are unique and different. That's why SmartFit is so easy to use in design. As the only multi-use hearing protection plug with Conforming Material Technologyâ¢, the SmartFit uses the body heat of the wearer to adapt exactly to the shape of the ear canal and thus to ensure a pleasant, individual fit in the ear. With the removable tape system and the HearPack storage box, it is the clever solution for today's diverse workplaces. BGIA Recommendations S (signal hearing possible in track superstructure), V (signal hearing possible in road traffic) and W (criteria âgeneral warning signal hearingâ , âinformation-containing soundsâ and 'sprachgensrachgenslechtâ fulfilled). Versatile in all situations, especially where it is important to hear warning signals and ambient noise.This text is machine translated.