Phone Amplifier with Headset for Clarity

SERE NE innovations Making Life Easier Phone Amplifier with Headset for Clarity Selectable Digital Tone Enhancement enriches the speech frequencies you can't hear well SERENE HEADSET BOOST Automatic Gain Increases Control optimizes incoming voice up sound level for to 45+dB without superior listening static or comfort. distortion. AC adapter included TONE COMPATIBLITY Bass<1234>Treble Convenient headset/handset selection button e-c-e 9 VDC Source - Sereneinnovations.com Making Life Easier