PANASONIC Link2Cell Bluetooth Cordless Phone with Answering Machine KX-TGM430B - 1 Handset (Black) Hear and be heard, loud and clear with Volume Boost control for amplified caller voice volume up to 40 dB, includes six voice Tone Settings and a loud base unit Ringer Understand every word, every time more clearly with Slow Talk to slow the speed of speech in real time and when checking voice messages Big white backlit LCD, enlarged Memory Dial Buttons plus bright red LED visual ringers on base unit and handset enhance visibility and calling convenience Sync up to two cell or smartphones to make and take amplified cell calls and receive text alerts through Panasonic Link2Cell handsets, anywhere in the house Includes Power Backup, Speakerphone, Talking Caller ID, Talking Keypad and Phonebook,9 Speed Dials, 250-number Call Block, Intercom, Noise Reduction, Accessories, and Expandable to 6 handsets