Feature: 1. Earbud wireless hearing aid, suitable for patients with mild to severe hearing loss. 2. Intelligent noise reduction, clear sound quality and low distortion. Automatic tuning, easy to use. 3. Simple volume adjustment: increase the volume clockwise and decrease counterclockwise. 4. Exquisite workmanship, bright colors, compact size, lightweight and portable. 5. Comes with 6 earplugs of different sizes for more comfortable wearing, which is intimate. Specification: Item Type: Hearing Aids Material: ABS + Silicone Power Supply: 1 x 10A battery (not included) How to Wear the Hearing Aid: 1. Gently insert the auditory canal part and push it back and insert it, and put the auditory device in the correct position completely 2. Before placing the hearing aid into your ear, make sure that the battery is inserted correctly and the battery door is closed tightly. . Package List: 1 x Hearing Aid1 x Storage Box1 x Screwdriver1 x Brush6 x Earplugs1 x English Manual Note: 1. Do not open or close the battery cover forcibly 2. Volume adjustment: clockwise volume increase, counterclockwise decrease 3. Your hearing healthcare professional has set the volume and control to meet your specific hearing requirements.