Body temperature measurement:                                                               It is best for users to wear the bracelet for 30 minutes, and close the metal plate on the back of the product to the skin inside the wrist for body temperature measurement. If the data deviation is large, please test a few more times.                                  Special Features:            Body temperature measurement1.09 inch Full Touch Round ScreenHeart Rate MonitorBlood Pressure MonitorBlood Oxygen MonitorSleep MonitorMulti-sport ModesPedometerCall or Message ReminderCall ID DisplayInformation Push Reminder (SMS/QQ/WeChat/Skype/Facebook/Twitter/Line/WhatsApp)Weather PushMusic Control.Auto Light-up ScreenAlert Type: VibrationStopwatchOther Functions: Alarm clock ,Sedentary reminder,Camera remote control,Anti-lostAPP Name: Da Fit                                  Specification            CPU: Realtek8762CBluetooth Version: BT 5.0Compatible OS: Android 4.4 or above , iOS 9.0 or aboveOperating Mode: Full TouchWaterproof: IP67Screen Size: 1.22inch TFTResolution: 240*240 pixelsBattery Battery Capacity: 160 mAhStandby Time: About 12 daysUsing time: About 3-5 daysCharging Time: About 2.