Check the listing for details. Bionette Electronic Allergy Hayfever Relief Device. Condition: New with box. Listed at 81.03 USD. Bionette is a revolutionary new device intended for the treatment of allergic rhinitis (hayfever). It provides relief of symptoms such as itchy pharynx (throat), itchy eyes, ears and nose, runny nose, watering eyes, sneezing and headaches. It is neither chemical nor pharmacological and has no known side effects. It is based on photo therapy principle using light of a known wavelength (low level narrow band light technology). Operating Instructions: Press the rubber buttons on the side of the unit, and the red light will switch on. Ensure that the red light is on continuously and isn't flashing. A flashing light indicates low battery, and then it's time to pop in 2 new CR2032 batteries. Then simply insert the double light source into your nose, and release the grip on the buttons. The treat.