Max saturated sound pressure level: 130±5dB
Full-on acoustic gain: ≥50dB
Harmonic distortion: ≤50%
Frequency range: 300 ~ 4000 Hz
Equivalent noise: ≤ 30 dB
Voltage: DC 1.5V
Current: ≤ 4 mA
Battery: 2 x AG13 button battery
External size: 4.5 x 4.5 x 2 cm
1 x Hearing aid
2 x Button batteries
3 x Earbuds
1 x English user manual
- Made of high quality material, durable and reliable for long time use.
- Shock and drop resistant, moisture proof and high temperature proof: user-friendly design.
- The amplifier hearing aid is well made, can reduce noice, with good sound quality.
- Ultra mini size and lightweight: easy and comfortable to wear.
- Volume Adjustable & Silicone earplugs in 3 sizes: fit most ears.