Mini Hearing Aids For Deafness In Ear Sound Amplifier Wireless Headphone First Aid Tools Device

Coolbe: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist.

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Feature 1.Battery type, no need to recharge, convenient and fast 2.Look cosmetically appealing sound smooth internal speaker 3.The user can control volume and programs 4.Filter out unwanted noise caused by airflow or wind 5.Moisture resistant provides durability 6.Separate wire and headphone, more convenient and safety 7.Provide improved technology for reduced electromagnetic interference 8.Hearing Aid Devices are suitable for severe hearing loss people 9.Small,enough to fit easily in your pocket or handbag

Specification: 1. Max sound output: 110±5dB 2. Sound gain: ≥30dB 3. Total harmonic wave distortion: ≤10% 4. Frequency range: 300-4000Hz 5. Input noise: ≤40dB6. Voltage: DC1.5V 7. Current: ≤4mA 8. Color: As picturesComfortable to wear, battery type, no need to recharge

So choose us, you not only did not spend too much money, but also improved the quality of life, happier and happier！Our products are certified by authoritative organizations, formal production plants, and customer satisfaction evaluations!

Prompt: There are Whistle as you put the battery into the hearing aid .Please donot worry .because the air presure will make Whistle. ​1.Please adjust lower volume . ​2.Choose the suitable ear plug ​3.Make sure if you put the earplug tightly,sound leak will make the Whistle.