The Dialogue XL-50 amplifies sound up to 48+dB
Has adjustable tone control for clarity
Audio output jack
Extra bright ring flasher and very loud ringer (95+dB)
Big back lighted buttons
Hearing aid T-coil compatible handset
12 one-touch speed dial buttons
Battery back up in case of power outage (battery not included)
One year warranty
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1-888-567-2175 VOICE/TTY
