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Professional Hearing Aid

Mini Size, Light Weight (3.1g)
Tone Control Adjustable
Reduce noice, provides good sound quality
Silicone earplugs in 3 different sizes, fit both ears
Power Saving 120-180 Hrs.

Technical Specifications:
1. Max sound output: 110+/- 5dB
2. Sound gain: >= 30dB
3. Total harmonic wave distortion: <= 10%
4. Frequency range: 300-4,000MHz
5. Input Noise: <=40dB
6. Voltage: DC 1.5V
7. Current: <=4mA

Package Included:
1x Carrying Box
1x Manual
1x Hearing Aid
3x Earplugs (different sizes)
2x Batteries