Description: .

Brand: Unbranded
Type: Hearing aid
Manufacturer Warranty: 3 Years
Peak OSPL 90 (dB SPL): 115dB, 4dB
HAF OSPL 90 (dB SPL): 110dB±5dB
Peak gain (dB): 32dB
HAF/FOG gain (dB): 27dB±5dB
Frequency range: 350Hz～4500Hz
Distortion: 500Hz-5%, 800Hz-5%, 1600Hz-5%
Equivalent input noise: ≤26dB, 3dB
Battery: lithium battery
Voltage: DC 3.7V
Current: ≤2mA
Charging interface: micro USB
Charging time: 2.5h
Size: 2.8*1.8*1.3cm
Features: Digital Noise Reduction,Rechargeable
Model Number: Sound Amplifier
Usage: Hearing Aid
Type 1: Amplifier Digital Hearing
Type 2: Rechargeable Hearing Aid
Type 3: Invisible Hearing Aid
Type 4: In-Ear Enhancer Sound
Type 5: Voice Amplifier
Features 1: Lightweight and compact:
Features 2: USB rechargeable hearing amplifier
Features 3: Digital Sound Amplifier: