F-189 Mini Portable Hearing Aid Sound Voice Amplifier

SpecificationsName Hearing AidModel F 189Color as picture showMax Sound Output 1305dBFrequency Range 300 4000HzEquivalent Input Noise Level 30dBTotal Harmonic Distortion 5 Full Sound Gain 50dBVoltage DC1 5VCurrent 4mABattery Type LR44H Not included Features Lightweight wearing close to nothing comfortable and natural The body can prevent accumulation of dust in a short time Strengthen the de fense against external noise and make the sound output to the ear canal smoother Package Included1 x Hearing Aid1 x Brush3 x Earplugs1 x Screw Driver1 x Operation Manual