Features 1、High quality material hearing aid sound amplifier is comfortable and safe to wear 2、Moderate size is just fitable to ears and looks concise and delicate in appearance when using it 3、Can help you attain clear and smooth sound, which provides you more convenience in daily life 4、Lightweight and discreet enough to fit easily in your pocket or handbag 5、Suitable for hearing loss people, also can suitable for leisure and entertainment, such as watch film, TV program, the play, attend meetings or have classes and like that Specification Description: This mini hearing aid is specially designed for the hearing losing people which helps them attain clear and smooth sound providing more convenience in daily life. In addition, it also suitable for leisure and entertainment use, such as watch film, TV program, the play, attend meetings or have classes and like that. Features: High quality material hearing aid sound amplifier is comfortable and safe to wear. Moderate size is just fitable to ears and looks concise and delicate in appearance when using it. Can help you attain clear and smooth sound, which provides you more convenience in daily life. You can increase and decrease the sound by the volume control according to your hearing habit. Wearing it to block the unwanted and noise sounds in the surroundings for offering you a silent and ease environment. Lightweight and discreet enough to fit easily in your pocket or handbag. Suitable for hearing loss people, also can suitable for leisure and entertainment, such as watch film, TV program, the play, attend meetings or have classes and like that. Specifications: Material: ABS Sound Output: 110±5dB Sound Gain: ≥30dB Harmonic Distortion: F＜1000HZ≤10%, F＞1000HZ≤4% Frequency Range: 300-4000 HZ Input Noise: ≤40dB Current: ≤4mA Battery: AG5 Button battery (included) Color: As Pictures Show Size: 2.2 * 1.9 * 1.4cm / 0.9 * 0.7 * 0.6inch Package Weight: Approx. 60g Item Type: Hearing Aid Function: Sound Enhancement, Noise Sound Blocking Package Include: 1 x Hearing Aid 3 x Earplug( Different Sizes) 2 x Batteries 1 x User Manual 1 x Package Box Note: 1. On battery cartridge, the sign "+" means positive electrode of battery, while "-" means negative electrode of battery. 2. If you can't hear from the hearing aid, please check if the hearing aid is power on, make sure to use the battery in correct direction and if run out of the battery. 3. If the sound of hearing aid is very weak and not clear, please check if inside components is loose or the acoustic channel is blocking. 4. If you feel uncomfortable, please stop using it. 5. Don't use water or organic detergent to clean the hearing aid, don't put it in water. 6. Don't throw the waste of the item into fire.