Universal Portable Phone Amplifier Pre-Paid Plan simply place the SignWave into

simply place the SignWave into the charging dock and place the pillow pad under your pillow

maintains time and alarm setting in the event of power failure (battery not included)

Thermal Stability Enhancement (TSE) Technology improves detection of smoke

S/N ratio: >75dB

5mm angled teleplug (stereo)

Universal Portable Phone Amplifier Pre-Paid Plan simply place the SignWave intoHear every word on any phone, anywhere with the PA 30 Portable Phone Amplifier! This portable telephone amplifier straps onto any standard telephone handset to make your caller's voice louder up to 20 times. The PA 30 is ideal for people with hearing loss or when trying to hear in noisy environments, like public payphones in stadiums, convention halls, shop floors, etc. Strap on, portable telephone amplifier Easily straps onto any standard corded or