ColMi R02 11

An inexpensive multifunctional smart ring with a set of various built-in sensors, support for the energy-efficient Bluetooth 5.0 interface, a stylish and securely protected case, good battery life and a proprietary charging port (USB charging cable included). The manufacturer positions it as a product of the basic price category of 2024. It is aimed at budget users who pay attention to their health, play sports, but are not ready to pay impressive amounts of money for a fitness gadget.

The size range includes models of five different diameters (from 18.2 to 21.5 mm), and this makes it possible to make the best choice taking into account individual anatomy. The ColMi R02 11 smart ring is available in two color options: dark silver and gold. The case is made of high-alloy corrosion-resistant steel with a PVD coating. The inner surface of the gadget, which is in direct contact with the skin, is made of tactilely comfortable plastic.

Inside the case there is an energy-efficient chipset, a compact Li-Pol battery with a capacity of 17 mAh, a sensitive accelerometer and a set of sensors for recording heart rate, body temperature, blood oxygen saturation, the number of steps taken and stress level. In fact, such a ring can fully replace a fitness bracelet. Based on the collected information, the QRing application creates visualizations and generates adequate recommendations.