Track your activity throughout the day and night with the Xiaomi Mi Band 2 that has an OLED display and heart rate monitor. Skin friendly, stylish, and always by your side, this fitness tracking band makes fitness a lifestyle! This Xiaomi fitness equipment can be worn all the time, and be used to help track your movements on a daily basis. Use it to trace the number of steps taken and the number of calories burned. Make use of the Mi Fit app to keep track of your daily fitness activities from the comfort of your smartphone. Splash, dust, and corrosion resistant, the black colored Xiaomi Mi Band 2 is the best companion to lead a healthy lifestyle.