Comprehensive Fitness Tracking Smart Ring: ATTENTION: SIZE BEFORE YOU BUY PLEASE. Wearing incorrect-size ring (too small or too big) will affect the accuracy of the APP data. Monitor your daily steps, distance traveled, and calories burned with high precision. The smart ring also records exercise data across various activities such as running, cycling, jump rope, walking, hiking, yoga, golf, and dance, providing detailed insights to help you achieve your fitness goals.