zhihui Smartwatch,Impermeable IP65, Swimming Waterproof Smartwatch Fitness Tracker Fitness Watch Heart_Rate Monitor Smart Watches,for Android (Black)

?? ?Notes?:1. Before using for the first time, the smartwatch must be charged and activated2. Charging method The belt is detachable, and the built-in charging cable is used for charging3. During heart rate detection, please keep your arm stand still. To improve the accuracy of heart rate detection, please wear the smart watch correctly and keep the wearing part clean.4. Fitness watch supports the use hand washing, raining, under cold shower or swimming. But use under hot shower, diving, surfing etc. is unsupported.5. Smart watch monitoring data may be affected by many factors, such as height, weight, gender, step length, and physical condition. It is recommended that you use the correct data when initially filling in the information.6. The fitness watch standby time is about 30days, but the actual situation will affect its standby time, such as opening the smart reminder and turning on the screen brightness etc.7. Multi-language support, such as English, German, Italian, Japanese, French, Spanish, Hindi, Indonesia.8. Smart watch is compatible with the Bluetooth 4.0 version or above, iOS 8.0 or above and Android 4.2 or above.9.If you have any questions during use, please contact us directly in the following ways.? Main functions? Health tracking: heart rate / blood pressure / sleep monitoring / calories / speed / distance meter / pedometer? Notification: call reminder / SMS / email / FB / Twitter / Skype, etc.? Personal assistance: alarm clock / stopwatch / sedentary reminder / remote camera? Sport mode: walking / running / cycling / soccer? Waterproof grade: IPX65 degree of protection, easy to use, anti-vibration / ripple. Choose other fun activities or deep water activities.?? P