Sphygmotensiometers; Blood glucose meter; Devices for measuring blood sugar; Electrocardiographic (ECG) recorders; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Medical apparatus for detecting rapid eye movement and other physiological conditions in a sleeping person indicative of dreaming and for inducing partial awakening so as to cause a state of lucid dreaming; Microneedle dermal pens; Microneedle dermal roller; Moxibustion apparatus; Nebulisers for medical purposes; Pulse oximeters for medical purposes; Relaxation therapy apparatus using light, sound, and vibration; Sanitary masks for protection against viral infection; Therapeutic white noise machines; Thermometers for medical use; Wearable monitors used to measure biometric data for medical use; Wearable walking assistive robots for medical purposes; Wearable wrist, ankle, torso monitors used to measure biometric data for medical use; Wireless transmitters and receivers for use with hearing aids