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This diminutive device tracks vital health signs and physical activity, but does its environmental impact override the technological advance?

Samsung’s Galaxy Ring arguably represents one of the first devices in a new product category, albeit one with a relatively niche audience.

Released in July, the £399 smart ring is kitted out with sensors enabling biometric health monitoring and is aimed squarely at fitness fanatics or those who want to keep a close eye on their vital bodily signs.

It is packed with a range of features including an optical heart rate sensor, blood oxygen monitor, skin temperature sensor and an accelerometer to track physical activity throughout the day. Additionally, the ring tracks sleep and the menstrual cycle, as well as snore detection and stress monitoring. The data collected by the Galaxy Ring then syncs with the Samsung Health app to provide a holistic view of your health metrics.

The Galaxy Ring offers a lot in a small package – which can cause problems when...