ZZOOI USB Charging Hearing Aid in Ear Lithium Battery Common to Left and Right Sound Amplifier Noise Reduction
Welcome to ZZOOI！
We will provide you with the best purchase experience and services
If you are not satisfied with the goods after purchase, you can get a free refund (you can also get the corresponding compensation if you exceed 15 days in time).
【Extra Long Service Life 】Each of our products is tested for durability before leaving the factory, which ensures that each product has a good service life
【Fast shipment within 48 hours】 In order to give you a better shopping experience, we will ship your package within 48 hours (excluding holidays).
【Better after-sales service】ZZOOI brand is responsible for every customer who buys our products. We provide you with perfect maintenance and after-sales plan. You can contact us at any time.
Features:
1. MAX OSPL90: ≤126±3dB
2 .Harmonic Wave Distortion: ≤10%
3. Frequency Range: 450～5000 Hz
4. Sound gain: ≥30±5dB
5. Battery: Rechargeable NI-MH 40mAh
6. Working Voltage DC1.2V
7. Full charging about 5 hours
8. Working about 25~30 hours
9. Input Noise: ≤29±3dB
List:
1 x Main unit;
4 x Ear plug;
1 x Brush;
1 x User Manual;
1 x USB Charging Cable;
1 x Adapter
USB Charging Hearing Aid in Ear Lithium Battery Common to Left and Right Sound Amplifier Noise Reduction
