bone conduction hearing aid S-900
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Detailed Product Description
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hearing aid 1. Maximum saturation sound pressure ≥ 110dB ± 5dB pole 2. full block sound gain: ≥ 30dB 3.The average gain: ≥ 40dB 4.Equivalent noise: ≤ 40dB. 5.Frequency Response: 300Hz-4000Hz Standard battery: AG3 button batteries Operating voltage: DC1.5V Operating Current: ≤ 4mA Product weight: 3g Product size: 2 * 1.9 * 1.5cm Package: paper + plastic box Package size: 11.1 * 8.4 * 3.3cm QTY: 120PCS Carton Size: 52.5 * 31 * 39cm GW: 11kg NW: 9kg |
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