Meet the Circular Ring: a smart ring that can monitor your sleep and activity. It is a sleek ring with an infrared heart rate sensor, an interchangeable shell, and a 3-axis accelerometer. It is waterproof and runs for 2 days on battery life.
The ring weighs 4 grams and has built-in data storage space. It can connect to iOS and Android devices. Its AI assistant Kira delivers insights using your data.