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UPH ZD-300 Hearing Aid
Specification:
- Maximum saturation sound pressure level: (±5dB) 126
- Maximum acoustic gain: (±5dB) 48
- Frequency response range (Hz): 150-3300
- Power voltage (V): 1.5×2
- Battery type: AAA
Package Contents:
- ZD-300 box type Acousticon
- Earphone
- Silica gel earplug
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