1SET Hearing Aid HearingAid Sound Amplifier Noise Reduction

Product Specifications: Single Power mode: battery Color: Yellow Material Grade: Plastic Whether it has a built-in battery: No Shopping Hotspot: Low Frequency Noise Reduction Shell process: ABS Hearing aid category: behind the ear Accessories: Main unit (1), Batteries (3), Earplugs (3), English manual Maximum output: 130 ± 5 decibels 3. Harmonic distortion: ≤ 10% (1000 Hz) 4. Sound gain: 50 ± 5 decibels 5. Equivalent input noise level: ≤ 32 decibels 6. Frequency range: 300 - 4500 Hertz 7. Battery voltage: DC 1.5V (One A76 button battery) Manufacturing Country: China Package includes: 1SET