French startups launch the "lightest and strongest" smart ring: it weighs only 2 grams and can monitor heart rate and blood oxygen.

CTOnews.com, Nov. 20 / PRNewswire-Asianet /-- French startup Circular has launched its first smart ring, Circular Ring Slim, which claims to be the world's thinnest and most powerful health tracker to date.

CTOnews.com summarizes its details as follows:

The Circular Ring Slim, which weighs only 2 grams and is only 2.2mm thick, is made of matte black sandblasted aluminum and carbon fiber and is available in 8 different sizes.

In terms of function, the smart ring is equipped with infrared LED sensor, three-axis accelerometer and surface temperature sensor, which can monitor and evaluate 7 biological characteristics and 142 derivative states of the human body. It has built-in photoelectric oximeter technology, and it can also understand the health status of the user's immune system and potential disease symptoms according to temperature changes.

The health indicators that Circular Ring Slim supports monitoring include blood oxygen level, heart rate change, temperature change, respiratory rate, step number, stress level and sleep cycle. It claims to provide 15 times more health data than similar trackers and can collect data every two minutes.

In addition, the smart ring has a new tactile navigation function and supports alarm clocks. In terms of battery life, the battery life is 5 days after a single charge, and the charging time is 45 minutes, which can store up to 20 days of data.

The smart ring, which will be shipped after December 15, will sell for $275 (CTOnews.com Note: currently about 1986 yuan).