COLMI R02S 8 black

The COLMI R02S smart ring in black, size 8, is a discreet health and activity tracker worn on the finger. It monitors heart rate, blood oxygen levels and sleep, and supports activities such as walking, running, cycling and swimming. Your readings are shown clearly in the Q Ring app, where they can be analysed with artificial intelligence support.

Weighing just 4 g and made of stainless steel, the ring is light and comfortable to wear day and night. With IP68 protection it can stay on during handwashing and swimming. The battery lasts about 3 to 5 days according to the manufacturer, and charging is done via the included charging case with a USB-C connection.

Sleep tracking records night and daytime naps automatically, including light, deep and REM phases. The ring connects to your smartphone via Bluetooth.