ENVIRONMENT-INTEGRATED SMART RING CHARGER

A smart ring includes a housing. The smart ring also can include a power source disposed within or at the housing. The power source can be configured to receive energy. The smart ring can further include a controller disposed within or at the housing. The power source also can be configured to power the controller. The controller can be configured to estimate a charging status for the power source. The controller also can be configured to generate information to indicate the charging status. Other embodiments are disclosed.