Eustachi unblocks plugged ears by helping exercise the eustachian tubes; all you have to do is swallow! It's quick, safe, and easy to use. Eustachi works with your body's natural mechanism for clearing your ears. Swallowing and yawning normally clear your ears. When swallowing isn't enough, the Eustachi helps using just a little air. Recommended and used by physicians, parents, chiropractors, airline pilots, scuba dive instructors, cold and allergy sufferers, and more. The Eustachi is a medical device that is indicated for the treatment of negative middle ear pressure. As with any exercise or conditioning product, consult your healthcare provider with any medical questions.USAGE: The Eustachi is a medical device that is indicated for the treatment of negative middle ear pressure. As with any exercise or conditioning product, consult your healthcare provider with any medical questions. HANDY & PORTABLE: Perfect for air travel, swimming, cold and allergy season. Includes Carrying Case. Requires 2 AA batteries (not included). EUSTACHIAN TUBE EXERCISER: Eustachi works with your body's natural mechanism for clearing your ears. Swallowing and yawning normally clear your ears. QUICK, SAFE & EASY: Recommended and used by physicians, parents, chiropractors, airline pilots, scuba dive instructors, cold and allergy sufferers and more.Eustachi unblocks plugged ears by helping exercise the eustachian tubes, all you have to do is swallow! It's quick, safe and easy to use. ALL NATURAL DRUG FREE: Drug Free, Safe and All Natural solution for unclogging your ears!.Best Sellers Rank: See Top 100 in Health & Household. Number of Items: 1. Style: Flanged. Size: 1 Count. Recommended Uses For Product: Cold Protection, Pressure Reduction. Brand: NeilMed. Country of Origin: China. : B0BT8GCZGD. Manufacturer: NeilMed. Date First Available: January 27, 2023. Item model number: EUS-0R-32-ENU-US. Product Dimensions: 1.85 x 3.6 x 6.4 inches; 6.38 Ounces. Is Discontinued By Manufacturer: No.