Xiaomi smart watch

Specifications: Model - Xiaomi Mi Band 3 NFC Display - 0.78 inch full touchscreen OLED Battery - 110mAh battery, standby time approximately 15 days Sensors - 3-axis accelerometer and PPG heart rate sensor Health monitoring - 24/7 heart rate monitoring Activity tracking - step count, distance, calories burned Wireless connection - Bluetooth 4.2 BL Setup requirements - phones with Bluetooth 4.0 and Android 4.4 or iOS 9.0 or higher Package contents - wrist strap x1, dedicated charging cable x1, user manual x1 Features: 1. NFC support 2. Incoming call display/reject 3. Time display 4. Automatic step counter 5. Phone unlocking 6. Event reminder 7. Sleep monitoring 8. Heart rate monitor 9. calorie counter 10. mil percentages 11. Instant messages 12. OTA upgrade