BTE Hearing aid:Max Sound Output: 127±4 dBMax Sound Gain: 48dB ± 5dBHarmonic Wave Distortion: ?5%Frequency Range: 450~3500 hzInput Noise: ?32 dBBattery: AG13Working Voltage dc1.5VWorking Current: ?3mA1 x Hearing aid6 x Ear plugs(Different size)1 x Plastic box1 x Color boxV-185 is small fashionable design ,with a blue decorative batter for avoid the Gap caused by body unit dislocation ,wearing comfortable and invisible.The structure and performance advantage: The ear hook connected with the shell copper cylinder ,structure is firm and reliable .with H low frequency noise reduction ,select of high fidelity microphone with high performance white earhone ,hearing aid low distoration and low noise.Lould Clear sound, cheap priceFashion design, comfortable for use.Beautiful apperance, durable. Eay volume control, N-H switch.
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