Hearing aids: implants, hearing aid headbands, hearing glasses devices.
Communication: Two-way communication, telecom, under water communication, high-noise environments
Entertainment: Virtual Reality (VR), gaming, headphones.
Wearables and gadgets: hands-free headsets or headphones, VR, eyeglasses, headlamps.
Helmets for sports, safety and work: bike, scooter, motorcycle, skiing, football, diving, outdoor, industrial, military, rescue etc.