Product&nbsp;InformationMain control chip: nRF52832 Waterproof level: IP67 Compatible system: Android 4.4 and above, iOS 8.2 and above Main features: full metal appearance, metal strap, metal texture Exercise function: step count/calorie/distance, multi-sports mode; Heart rate monitoring, blood pressure monitoring and other health functions; Remote care function; Offline measurement Automatically turn on the screen when turning the wrist; Wearable hardware + smart APP + big data cloud service; Wear it with you, control, display, and record through APP, and synchronize data to the cloud in real time; Monitor changes in physical health values, discover and test various health data, display risk status and assessment results; Long battery life standby, use up to 7-15 days. Main features: step counting, calories, distance, sleep monitoring, exercise mode, incoming call reminder, alarm clock reminder, raise your hand to brighten the screen, social sharing (WeChat, QQ, Facebook, Twitter), etc. Screen size: 1.3 inches color screen TFT 240*240 Screen type: IPS HD TFT Battery capacity: 200mAh Charging time: 2-4H Battery life: 7-15 days of use, 30-50 days of standby Band support languages: Chinese (Simplified, Traditional), Japanese, English, French, German, Italian, Spanish, Russian, Portuguese, Polish, Malaysian APP supported languages: Chinese (simplified, traditional), Japanese, English, French, German, Italian, Spanish, Russian, Portuguese, Korean, Malaysian Bare metal weight :69g Bracelet size :137*88*33MM<img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1618484079444.jpg" style="max-width:100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1618484079460.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1618484079477.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1618484079479.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1618484079495.jpg" style="max-width: 100%;">

F9 Color Screen Smart Bracelet Large Screen Metal Belt Heart Rate Blood Pressure Waterproof