HearAll Cell Phone Amplifier works with virtually any bluetooth cell phone, iPad or iPod. It amplifies up to one hundred times louder. It has latest DSP technology that eliminates static and distortion for easy...
Serene Innovations Business Phone Amplifier converts virtually any telephone into an amplified phone. It connects between the handset and the phone base, and with up to 45dB amplification (200 times louder) and Tone...