【YAMAZEN】 Hearing Amplifier Gentle on the ears, 10-step volume adjustment Digital Stereo Hearing Amplifier White YSF-300(W) Instruction manual included ★Body Size Width 4.4 x Depth 1.6 x Height 7.2cm Weight 45g ★Power Supply AAA batteries x 1 (sold separately) ★Volume Adjustment: 10 steps ★Maximum Output Sound Pressure Level: 115dBSPL ★Maximum Voice Gain: 42dB ● Gentle digital stereo hearing amplifier. ● Microphone-integrated earphones reproduce natural hearing. ● Digital processing reduces noise and achieves clear sound quality. ● Volume can be adjusted in 10 steps by turning the knob to the right to your preferred volume. Easy operation. ● Maximum output power: 30mW x 2 (left and right channels f = 1kHz, 8Ω) ● Audio output terminal: Φ3.5mm 5-pole mini-plug ● Microphone: Electret condenser ● Earphones: 16Ω Φ10mm stereo canal type ● Clear effect: Voice clarity is enhanced by adjusting the voice range by turning the knob. ● Balance: You can adjust the volume of the sound in each of the right and left earphones. Although I have hardly used it, I am selling it because I purchased a new product. This is a used item. #YamazenHearingAmplifier #HearingAmplifier #Yamazen #DigitalStereoHearingAmplifier #WhiteHearingAmplifier