Xiaomi Mi Band 4 Fitness Tracker Global Version Black

Highlights

• Check your heart rate in real time to make sure you get the best workout as you climb mountain roads or dash around the city
• 5 core data sets Helps you improve power walking efficiency
• Tracks your pace and step count Maintain a safe workout, whether you’re running short or long distance
• Mi Smart Band 4 will track your heart rate, calories burned and more