Rechargeable Hearing Aid Invisible Mini Ear Sound Amplifier Adjustable Tone (Adaptor: US)

Features:1. Small size, fashionable streamlined design, comfortable wearing, clear and natural sound.3. Nickel-hydrogen charging battery used and no need for battery replacement4. 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/ USPower: DC 1.4VModel feature: ZDC-900CFBattery capacity: 30 mAhCharging time: 4-6 hWorking time: 10-15 hAmbient temperature: 5℃-40℃Max OSPL: ≤ 118dBHFA OSPL: 109±4dBFrequency response range: 100-4000HZ Package Included:1 x Hearing Aid1 x Adapter(EU/ US)1 x Charge indicator3 X Earplug( S,M,L )1 X Volume adjustment bar1 x Cleaning brush1 x User Manual More Details: