Amplify sounds up to 40 decibels.
Weight less than 10 grams.
Adjust volume as your wishes.
Adjust to either ear.
Accurate and easy to use.
Help you hear the sound clearly and loudly, whether indoors or outdoor
- Max sound output: 110±5dB
- Sound gain: ≥30dB
- Total Harmonic Wave Distortion: ≤10%
- Frequency range: 300-4000Hz
- Input noise: ≤40dB
- Voltage: DC 1.5V
- Current: ≤4mA
- Package Included: 2 x Sound Amplifier, 6 x Earplugs, 2 x Cell batteries, 1 x User Manual, 1 x Case
