One of the best budget fitness band available. It is very light weight, looks amazing and performs every essential function of a fitness band without making a hole in your pocket. Mi Band 2 monitors your heart rate, counts the steps you have walked.helps you to fix goals of walking per day with reference to WHO. When paired with Mi band app, it also stores each days data. Mi band 2 is dust proof and water resistant and comes with a sturdy plastic strap.