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Detailed Product Description:
This is a Best Sound Amplifier Adjustable Tone Hearing Aids Aid, Super mini size and light weight, not easily to be seen.
Features:
100% brand new sound amplifier behind the ear
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Choose an earplug of slightly bigger size to avoid whistler
Increase volume gradually to avoid sudden increase in sound
Max Saturated Sound Pressure: 125dB+4dB
Sound gain: ?50dB
Harmonic Wave Distortion: ?50%
Frequency response Range: 300Hz~4000Hz
Input Noise: ? 30 dB
Power Voltage :1.5 V
Current: ?4mA
Battery Type: AG13 button cell battery (included)
Specifications:
Original box: Yes
Product Size: Approx. 92*70*27mm
Net weight: 100g
Color: Beige
Packet content:
100% Brand New
1 x Ear sound amplifier
3 x Earplug of different size
2 x AG13 batteries
1 x Instruction manual