Rechargeable Hearing Aid Invisible Mini Ear Sound Amplifier Adjustable Tone

Features: 1. Small size, fashionable streamlined design, comfortable wearing, clear and natural sound. 3. Nickel-hydrogen charging battery used and no need for battery replacement 4. Suitable for persons with slight hearing impairment and occasion where it's needed to amplify the sound. 5. Especially suitable for persons with hearing impairment of severe intermediate frequency and high frequency loss. Description: Type: EU/ US Power: DC 1.4V Model feature: ZDC-900CF Battery capacity: 30 mAh Charging time: 4-6 h Working time: 10-15 h Ambient temperature: 5-40 Max OSPL: 118dB HFA OSPL: 1094dB Frequency response range: 100-4000HZ Package Included: 1 x Hearing Aid 1 x Adapter(EU/ US) 1 x Charge indicator 3 X Earplug( S,M,L ) 1 X Volume adjustment bar 1 x Cleaning brush 1 x User Manual More Details: