Apparatus for acne treatment; Contraceptive apparatus; Dental instruments, namely, oral irrigators; Douche bags; Ear plugs for swimming purposes; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Eye charts for medical examination use; Heart rate monitoring apparatus; Medical apparatus and instruments for monitoring vital signs, ...