Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Medical electrodes; Hand and finger exercisers for therapeutic purposes; Medical devices for treating sleep disorders; Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin; Electrical weight loss body belt; Low frequency electric therapy apparatus; Electronic muscle stimulators for medical purposes; Acupressure bands; Electronic stimulation apparatus for specify part of body, e.g., for physical therapy purposes; Electronic stimulation apparatus for nerves, skin, muscles for physical therapy purposes