F-189 Mini Portable Hearing Aid Sound Voice Amplifier

Specifications Name:Hearing Aid Model:F-189 Color:as picture show Max Sound Output:1305dB Frequency Range: 300~4000Hz Equivalent Input Noise Level: 30dB Total Harmonic Distortion:5% Full Sound Gain:50dB Voltage:DC1.5V Current:4mA Battery 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 Included 1 x Hearing Aid 1 x Brush 3 x Earplugs 1 x Screw Driver 1 x Operation Manual