Function Description: 1, sports records (pedometer, calorie burning, mileage, can display the trend chart of each time period). 2, sleep monitoring (can show the trend of sleep quality trend per period) 3, long standby 10 days 4, shake a photo, alarm reminder 5, support calls, SMS reminders, WeChat reminder, QQ reminder 6, touch operation, IP67 waterproof Parameter Description: 1, Bluetooth 4.0 version, 0.66 OLED display 2. Input voltage: DC 5.0V. 3, host material: plastic 4, wristband material: TPU 5, equipment requirements: support Android 4.4, IOS 8.0 and above systems 6, battery capacity 50mAh, charging 2 hours, standby for more than 10 days