Fiess C1s Bluetooth watch waterproof smart Bracelet Heart Rate and blood pressure monitoring health tracker

Fiess Bracelet C1s Bluetooth smart watch waterproof smart Bracelet Heart Rate and blood pressure monitoring health tracker Dynamic heart rate and sleep monitoring: The fiess tracker can monitor the dynamic heart rate and upload the real-time data of the heartbeat to the mobile application. It also supports automatic sleep monitoring, which can record depth, light, awake time and entire sleep time. All health data is displayed in a graph, which clearly shows your physical health throughout the day. Health monitoring: 24-hour dynamic and static heart rate/blood pressure/blood oxygen measurement, automatic heart rate monitoring, operating mode, sleep management, step statistics, calorie consumption monitoring, mileage record, sedentary reminder. Other features: countdown, stopwatch, multi-screen display mode, fatigue test, calories, WeChat mobile, notification, photo, waterproof, phone tracking. Call and message reminder, information content push, time display, alarm reminder, music control, call rejection, remote control camera, dial change, do not disturb mode, WeChat sports, weather information, hands-on bright screen, smart anti-lost, OTA upgrade. A single charge can provide you up to 7 days of working time (note: the battery can last 5-7 days under heavy load; the battery can last 7-10 days under light load) Data storage: 7 days of detailed exercise records, a total of 23 days per day Working temperature: -20°C~50°C Product length: 260 mm Product wear adjustable length: 180-235 mm Supported languages: Russian, Simplified Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Portuguese packing list: 1* bracelet 1* wristband 1*Dedicated charging clip 1*Instruction manual