Sharp’s Karada Mate Watch introduces a pioneering sensing system that estimates calorie intake without manual food logging, potentially transforming dietary monitoring in wearable technology.
Sharp has introduced the Karada Mate Watch, a health-focused smartwatch that aims to do something most rivals still cannot: estimate calorie intake without manual food logging. The device is positioned as an alternative to the familiar model of entering meals by hand or photographing every plate, with the watch instead using its own sensing system to infer what the wearer has consumed.
According to reports from Notebookcheck and Digital Trends, the watch uses a bioelectrical impedance sensor and technology developed with HEALBE Corporation to track changes in body water and sugar levels after eating. That information is then used to estimate calorie intake and compare it with calories burned through activity. The result is a running view of energy balance rather than a simple activity log. The same reporting says the watch also includes hydration alerts, heart-rate monitoring, step counting, sleep tracking and, in Digital Trends’ account, features such as blood oxygen and skin temperature tracking plus GPS.
Food Industry Review said the collaboration centres on HEALBE’s FLOW technology, which is built to estimate intake and hydration without the user having to register meals manually. That makes the Karada Mate Watch notable less for adding another standard fitness metric than for changing how calorie tracking itself works. If the system proves reliable in everyday use, it could shift wearables from passive activity recording towards more direct dietary monitoring.
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