CV06 1.3 inch TFT Color Screen TPU Watch Band Smart Bracelet, Support Call Reminder Heart Rate Monitoring Blood Pressure Monitoring Sleep MonitoringBlood Oxygen Monitoring 1. 20-day long-lasting battery life, 90-day long standby main control chip adopts imported chip Nordic nRF52832, 180 mAh high energy density lithium polymer battery, strict ripple processing on the motherboard, ESD static protection, display and heart rate complete switch processing . The whole board is more protected, stable, lower power consumption and more endurance. 2. Zinc alloy body + tempered glass mirror 3. Bluetooth: 5.0 4. Battery: 180mAh lithium polymer battery 5. 4 different style dials, you can directly view time, steps, heart rate, weather forecast and other data 6. Multiple sports modes: riding football, walking, jumping rope, badminton, basketball, running, etc. 7. IP67 waterproof 8. Function: heart rate monitoring, high heart rate reminder, blood pressure monitoring, call reminder, call rejection, GPS motion track, sleep monitoring, music control, photo control, sedentary reminder, find mobile phone, timer, brightness adjustment, alarm reminder , step by step + calories + distance, goal to reach a reminder, one-click reset 9. Support a variety of social information reminders: SMS, QQ, WeChat, Facebook, Twitter, WhatsApp, Skype, Instagram, LinkedIn, line.... 10. Charging voltage: 5V 11. Charging current: 100MA-2A 12. Support system: iOS 8.0 or above, Android 4.4 or above