Type: BTE Hearing aid
OSPL90 max: ≤130dB+3dB
High frequency average for 90dB input：120dB±4dB
Full-on acoustic gain supply：35dB±5dB
Frequency response range: (not less than) 300Hz ～ 3000Hz
Product size: 40mm×43mm×9mmL×W×H）
Product weight: 7.9g (without battery
Power supply: D.C.1.45V（Battery Size A675 Lithium battery×1）
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