EparŽ, Pocket Wine Aerator, Enhances Flavor & Finish Of Wine By Releasing Its Natural Bouquet, Push Of A Button, Motor Creates Tiny Air Bubbles, Rapidly Introducing Oxygen Into The Wine & Freeing It's Tertiary Aroma, Heightened Aroma Enriches Each Glasses Flavor, Completing Your Wine Experience, Accommodating All Styles Of Wine, With 3 Aeration Settings & Small Enough To Store In Your Pocket, Aerate Your Glass On Demand In As Little As 15 Seconds, Powered By 2 "AAA" Batteries.