ClearSounds CSC600ER Ultraclear Amplifying Emergency Connect Speakerphone with Wireless Pendant - White WIRELESS PENDANT - Simply press the button on your pendant when you need help, as well as answer and hang up a phone call with a touch of a single button. MAXIMUM CALL CLARITY - 50 dB amplification with full range tone control. ClearDigital Power delivers maximum clarity and background noise suppression. EASY TO HEAR SPEAKERPHONE - Full duplex speakerphone in base (12 dB amplification) EXTRA LOUD RINGER - 104 dB adjustable extra loud ringer and bright visual ringer ensure you never miss a call MULTIPLE ADDITIONAL FEATURES - 7 programmable memory keys, Caller ID, Talking Features, Phonebook, SOS Emergency Helper Button