Medical instruments, apparatuses, and devices for use in delivering relief of sinus pain and pressure; bioelectronic medical instruments, apparatuses, and devices for use in delivering relief of sinus pain and pressure; microcurrent technology instruments, apparatuses, and devices for use in delivering relief of sinus pain and pressure for medical use; non-invasive bioelectronic medical instruments, apparatuses, and devices using microcurrent technology for use in delivering relief of sinus pain and pressure; non-invasive neuromodulation instruments, apparatuses, and devices using magnetomechanical stimulation for use in delivering relief of sinus pain and pressure for medical use; electromedical rehabilitative and pain management products for clinical and home use, namely, electrical nerve and muscle stimulators; medical devices, namely, microcurrent devices that produce electric currents for rehabilitation and pain management