BTE Hearing Aid---" Inspiring sound " : Class-D integrated circuitry Rich High Frequency to make Clearer Sound Analogue BTE Hearing Aids - "Inspiring sound" has features as following:Latest Integrated CLASS-D circuitErgonomically designed for Comfort and Optimum ClarityAdopts the Receiver of Digital hearing aidsUses the latest ULSI design that is far more reliable,Stable, to improve the extra ...