A key switch, a key to adjust the volume, easy operation
• Corresponding uncomfortable threshold properly adjust the maximum output, protect ear, low distortion
• 3 different shape earplugs are provided, which can fit different people's ear
• Mini ITC hearing aid type which can be hided in the ear and invisible
• Beautiful design with useful pulling line to help take out the hearing aid from the ear
• Factory directly sell,reasonable price, high quality
• Corresponding uncomfortable threshold properly adjust the maximum output, protect ear, low distortion
• 3 different shape earplugs are provided, which can fit different people's ear
• Mini ITC hearing aid type which can be hided in the ear and invisible
• Beautiful design with useful pulling line to help take out the hearing aid from the ear
• Factory directly sell,reasonable price, high quality