Mini Micro Hearing Machine

Mini size at the fingertip,0.35×0.6×0.8inch 2. In the ear canal ITC 3. Peak OSPL 90 (dB SPL):≤115dB 4. Frequency range:300-4500Hz 5. Peak gain: ≤40dB 6. Input noise: ≤30dB 7. Adjustable volume 8. Mild/moderate hearing loss 9. Zinc air A10 Battery,50 hours