Amazfit Bit is a smartwatch with 45 days of battery life. It equipped with GPS, heart rate sensor, barometer and colored screen. It provides notifications and multiple sports modes such as running, cycling, and walking. With only 32 grams and slim profile, it is light and comfort to wear. The curved glass gives the watch luster and shine. It comes in four different color combinations. The standard 20mm watch band can also be replaced by the user easily.