![]() Harvard Health Gadgets that can call for help in an emergency—such as a "smart" speaker, a mobile phone designed for older adults, or an alert button—have limitations. For example, a smart speaker has a limited listening range, and may not hea… |
![]() Harvard Health Gadgets that can call for help in an emergency—such as a "smart" speaker, a mobile phone designed for older adults, or an alert button—have limitations. For example, a smart speaker has a limited listening range, and may not hea… |