Sell DT NO.1 DT78 Smart Watch Bracelet Fitness Activity Tracker Wearable Devices Smartwatch Heart Rate Monitor best price

The good news is that the DT78 watch has now been upgraded to the latest version. The latest version is very easy to connect to the APP, and now all functions can be used normally. and now The App can connect to the Samsung phones Frequently Asked Questions 1.Is the heart rate/Blood Pressure/Blood Oxygen Monitor accurate?Why I measured an object can still get a value?Is it fake? It is the phenomenon that all smart watches will have.All measurements depend on sensors and algorithms and have certain errors. Smart watches measure heart rate mainly through photosensitive sensors, which receive light reflected from the arm skin and convert it into heart rate through algorithms. So is iwatch, huawei watch and xiao mi band. How do Smart Watches measure the heart beat on the wrist? https://www.quora.com/How-do-Smart-Watches-measure-the-heart-beat-on-the-wrist About PPG: https://en.wikipedia.org/wiki/Photoplethysmogram 2.Can heart disease patients use its measured value as a reference? We do not recommend.Because at present, the measured value of watches on the market cannot reach the medical standard, and can only be used as a daily health reference, not as a medical reference. 3.Is it waterproof?Can I wear it to take a shower or swim? It is life waterproof, please do not wear it while taking a shower or swimming 4. What is the APP It’s Wearfit2.0 5.How to change the time of my device? Please synchronize the device with your phone through bluetooth to calibrate time. Product Parameters: Screen size 1.3inch Screen Resolution 240*240 IPS factory (Customer supply） Battery curve / specification Customer supply Battery capacity /mAH Type Hs6620 Ordinary heart rate SC7R30 SRAM 128kb Flash 512KB Flash 128M motor Shrapnel motor Built in BT antenna power supply Magnetic charge touch Full touch Android system version above 4.4 IOS system version above 8.4 Features： Time support Multi-watchface support step support Calories support distance support Sport mode support Raise your hand to brighten support Sleep monitoring support Running track support call reminder support Notifications support sedentary reminder support Alarm reminder support Take a picture by shaking support Find the bracelet support Multi-watch face support multi-language : Chinese, English, Russian, Spanish, , Japanese Real-time measurement support WeChat movement support Heart rate support Lasting heart rate not support blood pressure support blood oxygen support ECG not support thermometer not support Weekly Healthy support bluetooth support Language support App Wearfit2.0 Charging method Magnetic charge OTA update support Waterproof IP68 Package Included: 1*Smart Watch 1*Charging Cable 1*User Manual