SERENE HD-60 High definition amplified phone
SERENE HD-60 High definition amplified phone Serene Hd-60 High Definition Amplified Phone
SERENE SA-40 HearAll Cell Phone Amplifier
SERENE SA-40 HearAll Cell Phone Amplifier Works with virtually any Bluetooth cell phone. Also works with your iPad or iPod Amplifies up to 40dB (100 times louder). No more straining to hear Adjustable tone booster amplifies the sound frequency that you...
SERENE UA-50 Universal Handset and Headset Amplifier
SERENE UA-50 Universal Handset and Headset Amplifier Amplifies incoming voices up to 170 times (45+ dB), so you hear every word with unmatched clarity Selectable digital tone enhancement allows you to boost and enrich the speech fequencies you cant hear...