Hearing aids; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments; Apparatus for washing out body cavities; Dental instruments, namely, oral irrigators; Oxygen masks for medical purposes; Thermal packs for first aid purposes; Walking aids fo...