1. High power, applicable to mild, moderate and moderate to severe hearing loss
2. Noise reduction modes (normal, moderate and noise reduction)
3. Procedure signal sound
4. Volume memory
5. Mode memory
6. Color:beige, metallic blue, black, champagne, silver
1. Max Sound Output: ≤130dB + 3dB
2. Max Sound Gain: 50dB ± 5dB
3. Average Sound Gain: 42dB ± 5dB
4. Harmonic Wave Distortion: ≤5%
5. Frequency Range: 300Hz~4500Hz
6. Input Noise: ≤ 29dB+3dB
7. Battery: Rechargeable polymer lithium ion
8. Rated Current: ≤ 5mA
9. Working Voltage: DC 3.7V
Generation smart chip brings a 28.2% performance upgrade over the previous generation. Excellent sound quality and comfortable listening. segmented noise reduction. 【Rechargeable】- Charging 3 hours, 24 hours can be used. Equipped with a built-In high capacity rechargeable lithium-Ion battery and Packed with a charging cable for easy charging. Say goodbye to the hassle of constantly buying expensive batteries which have low autonomy. Besides, it is environmental-friendly.