We are offering pocket hearing aid s-6b. technical parameters� max out: 129db Ⱡ4db� max gain�54db Ⱡ5db harmonic distortion��10% frequency range�300hz�4000hz equvi input noise��32db...
Product Description: 1、I-COOL intelligent dual-core digital signal processor Powerful computing capability based on intelligent dual−harvard architecture digital signal processor. Exceptionally low sound delay. Ultra−low power: 2、Improved...