WHY CHOOSE US??With the fourth-generation digital chips, 50% more noise reduction than the third-generation. Sounds more natural, to provide you with a wonderful experience.?With volume and mode adjustment function,you can adjust according to different scenes, so that you can adapt to more environment.?Specially designed for people with hearing impairment, that will not feel pain even wearing for a long time.?Noise reduction can automatically reduce most of the noise that affects hearing.?The left/right ears are adjustable so that they can be worn on either ear.NOTE:1. This product is not waterproof, therefore the user must take care to prevent water from entering into the product. If water enters into the product, remove the battery and place the product in a warm place to dry2. When using it for the first time, please turn the volume to the minimum and then slowly increase it.3. Turn the product to the switch off when not use for a long time.PACKAGE INCLUDED:2 x Blomed Hearing Amplifier-VHP-1203(2)2 x Instruction Manual2 x cleaning Brush2 x Storage Case2 x USB Cable8x Earpieces2 x Adapter