Product details of Mini Hearing Aid Portable Ear Sound Amplifier Adjustable Ear Hearing Amplifier Aid Kit Tone Hearing Aids for the Deaf Elderly
Hearing aid
MaxSound Output: 130±5 dB
MaxSound Gain: 55±5 dB
Harmonic Wave Distortion:≤10％(1000Hz)
FrequencyRange: 300-4500 Hz
Input Noise:≤30 dB
Battery: AG13 Button batteries (included 1pcs ,due to post mail donot allow ship too more battery ,we will ship 1pcs battery for your reference.)
Working Voltage: dc1.5V
Working Current:≤3mA
Color: As the picture shows
Item Size: 3.8 x 2.1 x 0.9 x 3cm
Package Size: 19 x 8.2 x 2cm
Net Weight: 9g