1. Low frequency resistance noise reduction
2. High power, applicable to mild and moderate hearing loss
3. Rechargeable, lasts 20-32 hours each time fully charged
4. Charging indicator light
5. Convenient volume adjustment
6. Color: beige
1. Max Sound Output: ≤115dB + 3dB
2. Max Sound Gain: 35dB ± 5dB
3. Average Sound Gain: 30dB ± 5dB
4. Harmonic Wave Distortion: ≤5%
5. Frequency Range: 300Hz~3200Hz
6. Input Noise: ≤29dB+3dB
7. Battery: Rechargeable Ni-MH battery
8. Rated Current: ≤ 3mA
9. Working Voltage: DC 1.2V
-- Durable battery recyclable charging, 20-32 hours each battery lasts.Earphone;
-- can be a single, or two corresponding to use;
-- Very convenient charging type, avoid the trouble of changing the battery;
-- There is a special charging station ;
-- SAFE TO USE, 1 year warranty; pick up can use, especially suitable for the first-time use of hearing aids.