US$ 187.50
Pressure: 0-5 TON
Air Compressors
Style: Daily use
ECG electrocardiogram measurement
Invisible Sound Amplifier for Elderly, Hearing Aids Style:Hearing Aid Pressure: 0-5 TONProduct Information: Specification: Convenient to carryLow noise and low distortionSuitable for people with severe hearing lossDesigned as a hearing assistance deviceSuitable for air conduction hearing impairmentNot suitable for use in cases of otitis media or ear discharge Characteristics: Maximum Sound Output: 130 5 dBSound Gain: More than 50 dBTotal Harmonic Distortion: Less than 5%Frequency Range: 300 Hz ~ 40000 HzInput Noise: Less than 30
US$ 187.50
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