Battery Type Digital Noise Reduction Hearing Aid Elderly Sound Amplifier(Complexion Left Ear)

1. Small size, no burden to wear2. Multi-channel detection of different sounds, restore reality, double noise reduction3. Promise tuning design, bid farewell to gear design4. Built-in A10 button battery, one battery can be used for 60 hours5. Made of silicone, high comfort, no whistling6. Equipped with earplugs of different sizes to suit all types of ears7. Frequency response range: 300HZ-4500HZ8. Saturation sound pressure level (MAX): less than or equal to 115+39. Equivalent input noise level: less than or equal to 29DB+3DB10. Dimensions: 1.5 x 1.8 cm11. Weight: single 1.2 grams