About this item:【Super Mini Size】Machine size is 0.65 * 0.54 inches, which can be well hidden in your ears. Tip: Please locate the earplug to fit the ear canal, otherwise it will cause noise.（We will come with three different size earplugs）【Comfortability】You may feel uncomfortable when you first use it. Please don't stop using it, because you will feel comfortable slowly in the next time. It has the advantages of miniature, long battery life, durability, waterproof and sweat proof. So you will like it.【Gift bundled】In addition, we will give you a charging case for you to carry, three earplugs for you to change the most appropriate size. 【Perfect Gift for You and Your Families】Hearing amplifiers are the ideal gift for people who .