The Mi Band 2 fitness tracker records data during active phases as well as when asleep and includes a pulse monitor. It is slim, with 19 grams very lightweight, consists of a soft material and is water-repellent as well. With these features, it is equally suited for sports activities and leisure time. The display is positively embedded into the watchstrap, contributing to a seamless appearance. The circular control key made of milled metal is an attractive eye-catcher.