High Power Wired Box Mini Hearing Aid
$19.90
$29.90
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
- Powered by 1 x AA battery (NOT included)
- Size: 7.0 x 4.0 x 2.0 cm (L X W X T)
- Color: as pictured
Technical Specifications:
- Max Saturated Sound Pressure: 130dB +5 dB
- Sound gain: ≥ 50db
- Harmonic Wave Distortion: ≤ 5%
- Frequency response Range: 300 --- 4000 Hz
- Input Noise: ≤ 30 dB
- Power Voltage: 1.5 V
- Working Current: ≤ 4mA
- Battery Type: 1 x AA battery (NOT included)
Package included:
- 1 x hearing aid amplifier
- 2 x earplug
- 1 x manual