Xiaomi "MiBand 1S" Black, Heart Rate, Fitness Level, Steps, Calories, Sleeping Quality Tracking, Smart Alarm, Total Distance Display, Average Daily Steps, Control of incoming calls, LED Light Color, Standby time 30days, WaterProof IP67, 5.5g

Xiaomi "MiBand 2" Black, OLED Display, Touchpad, Heart Rate, Fitness Level, Steps, Calories, Sleeping Quality Tracking, Smart Alarm, Total Distance Display, Average Daily Steps, Control of incoming calls, Standby time 30days, WaterProof IP67, 5.5g