请输入包含最少两个字元或数字的关键字。
BlueNEXT In The Ear Hearing Aids Rechargeable Hearing Aids Bone Conduction Amplifier For Seniors Deafness With Noise Cancelling
1. Automatic noise reduction, to avoid sudden loud damage to the ears;
2. Rechargeable design, longer life, save the trouble of replacing batteries;
3. Nano-coating, limited anti-sweat and waterproof, protects the built-in chip;
4. Smart chip, no fitting required;
5. One switch key, one volume adjustment key, easy to use;
6. FCC, ROHS, CE, EMC certification;
7. OEM customization is available;
Product Category Rechargeable BTE Simulator Level Input Noise ≤29dB+3dB
Maximum total sound pressure level 90(dB SPL) ≤130dB+3dB Battery Type Rechargeable lithium battery 35mAh
High frequency average total sound pressure level 90(dB SPL) 120dB+4dB charge time 30 minutes - 1 hour
full scale gain 35dB±5dB Battery Life 8 - 15 hours
High Frequency Average Full Range Gain 30dB ON / OFF the dial
Frequency Range F1<400Hz, F2>4000Hz Volume Control to rotate
Total Harmonic Distortion 500Hz ≤7%+3% Suitable for both ears yes
Total Harmonic Distortion 800Hz ≤7%+3% scope of application People with mild to severe hearing loss (26-90dB)
Total Harmonic Distortion 1600Hz ≤7%+3%