Importance: This smart watch is not a medical device. All health data is read by the sensor, the data is deviated from the actual, only for reference. Product parameters： 1.System requirements：Android 4.4 and above, iOS 8.0 and above, Bluetooth 5.0 support. 2.Bluetooth version：BLE 5.0. 3.The bluetooth chip ：Realtek RTL8762C. 4.Heart rate chip：Wiki pro source VC31. 5.Screen display：1.28 inch IPS color screen. 6.Battery capacity：200MAH. 7.Physical buttons：Full touch and button. 8.The motor：Built-in, vibration reminder. 9.The charging interface：Magnetic charging base. 10.Waterproof level：IP68 waterproof. 11.The sensor：Gravity sensor STK8321. 12.APP: Tefiti. 13.APP:FunKeep. Suota function, firmware update through APK/APP automatically synchronizes data to APK/APP, history query, APP help: regular problem solving. Android and iOS apps sync: Tefiti Alert: (For iOS, search the Apple Store for Tefiti to download and install; Android system in domestic app store/Huawei app market, abroad in Google store search FunKeep download and install). Major function： 1.24 exercise modes, heart rate monitor, blood pressure monitor, blood oxygen monitor, pedometer 2.Time and date display, step counting, calories, distance with screen display 3.Sleep monitoring (sleep time, sleep quality) 4.Standard motor function (step counting, distance, calories), GPS track movement 5.Time interface 6 kinds of UI dial display + massive dial + self-defined disc, mechanical movement style theme UI, 7 messages storage view 6.Phone calls reminding, SMS, QQ, WeChat, nailing, wang zhen, sina weibo, lnstagram, linkeln, Snapchat, bursts, Facebook, Skype, Twitter, WhatsApp, Line, KakaoTalk message content delivery 7.Stopwatch, mobile phone search, hand display, sedentary reminder, alarm clock reminder (3), drinking water reminder, medication reminder, shake photo, female physiology reminder 8.Weather, Smart Alarm Clock, Raise Hands and Brightening Screen, Brightening Screen Time, Find Mobile Phone, Find Brband, Call Rejection, shake Photography, Do Not Disturb Mode (Do Not Disturb Time Settings, Turn Off Brband Vibration, Turn Off Information Reminder) Language： 1.UI language：Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Indonesian, Hindi, Polish, Turkish 2.Bracelet font language: Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Russian, Dutch, Indonesian, Hindi, Polish, Turkish APP support language： 1.Android: English, Arabic, Czech, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Romanian, Hindi 2.IOS: English, Arabic, Czech, French, German, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Importance: 1.Wearable devices monitor human activities through electronic sensors. They are at the level of consumer electronics. It's normal to have certain deviation. The health test results of the watch are for reference only, and can not be compared with medical equipment. When the watch is placed on the surface of the object, there will be heart rate / blood pressure and other test results. It is normal and not a product defect. 2. As the firmware is continuously updated, the user interface will be updated accordingly. The images are for reference only, and everything is subject tothe actual product. 3. This product is an electronic product. Do not take a bath with this product. Do not expose it to heat under high temperature. Do not soak it in water . 4. Please download APP firstly, and bind the watch, Do not use the mobile phone Bluetooth to directly link the watch. If it is already connected, please delete the matched watch from the mobile phone Bluetooth matching device. 5. Due to the difference of light and screen, the color of the item may be slightly different from the picture.