Amoled true color display with more content. 1. 1" large screen with dynamic color display, all information is displayed on one screen. The display area is again increased by about 20%, so that incoming calls, information, and reminders are clearly visible, and the dynamic dial display is realized for the first time. 

Benefits:

• Supports Yoga, rowing machine, jump rope and more for the first time, accurately monitoring and aanalyzinging every move you make.
• Monitors and analyzes your heart rate, pace, and calories burned to help you reach your weight loss goals.
• New charging method, magnetic charging. Start charging as soon as they touch. Charging time less than 2 hours and endurance of more than 14 days. And 8 colors summer vitality wristband. There is always one that makes you fall in love with it. Up to 8 color wristbands, just for your summer wear more energetic. 
• 11 professional sports modes. Support running, walking automatic detection, speed reminder, whole kilometer reminder, and high heart rate reminder. The upgraded sensor makes body monitoring more accurate. Six-axis sensor: low-power three-axis acceleration sensor + three-axis gyroscope
• 24-hour smart sleep monitoring, a good night's sleep, very simple. Upgrade the sleep analysis technology, and the accuracy rate is again increased by 40%, which can professionally interpret the sleep characteristics of each time period and provide scientific suggestions for you to quickly optimize problems such as insomnia. 
• Your personal health manager, a monthly reminder for small secret records. The physiological period and ovulation period can not only be recorded in full but also reminded intimately. Pressure monitoring and breathing training help you get relaxed effectively. 

How to use:

Its works on Bluetooth. Mi band works on its own (No Bluetooth, No Internet).