- Expandable handset for D704 D714 and D724 amplified cordless phones - Patented Clarity Power technology clearly amplifies incoming sounds up to 40dB - DECT 6.0 interference-free technology - Adjustable tone control - loud and clear handset speakerphone - Easy-to-read caller ID display - Large backlit keypad is largest of any cordless phone - Backlit keypad and CID display act as visual ringers - Ten lout-and-clear ringtones with six levels of volume - Includes belt clip and 2.5mm headset jack - Hearing aid compatible