41 Education and training services, namely providing educational classes, seminars, group and individual training on intelligent, adaptive hearing and communication techniques in industrial, mining and construction environments, fire and rescue and law enforcement activities, motor sports and racing, shooting sports and hunting activities, aviation and helicopter environments, in noisy aircraft, watercraft and vehicle environments, and in highly stressful, noisy and difficult environments; providing educational classes, seminars and conferences, and training services in the field of audiology, hearing devices, electronic amplification and filtering devices, microphones, digital active noise reduction and filtering, and digital and analog signal processing techniques
Trademark: 85126110
