Feature 1Transparent Air Conduit: The sound amplifier features a discreet and transparent air conduit, allowing for a more inconspicuous and confident wearing experience for older adults. 2Comfortable Ear Fit: Designed for maximum comfort, the Sound Amplifier provides a delicate and gentle sensation when worn on the ear. Even during extended periods of use, it remains comfortable. 3Adjustable Volume Control: With easy to use gear adjustment, the sound amplifier allows for customized volume control. This simple operation makes it ideal for older adults who may prefer a user friendly device. 4Restore Hearing: Gift your elders with a reliable and effective device that will enable them to rediscover the sounds of the world. Help remedy feelings of silence and loneliness. 5Sweat and Water Resistant: The sound amplifier is designed to withstand sweat and water, ensuring its durability and longevity. With its easy maintenance and worry free resistance to water.Item Type: Sound AmplifierMaterial: PlasticBattery: 1 A13 Button Cell (battery not included)Modes: N-H switchable modesMode N: Normal, ideal for home use, watching TV, and spending time with familyMode H: Noise reduction, perfect for group meetings, restaurants, and socializing with friends .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Main Unit1 x Sound Tube3 x Earplugs1 x Cleaning Brush1 x Storage Box1 x User Manual