F1 พลัสสีหน้าจอสร้อยข้อมือสมาร์ทกันน้ำฟิตเนสกีฬาบลูทู ธ ข้อมือวงนาฬิกาอัตราการเต้นหัวใจติดตาม Pk fitbits miband2

F1 Plus COLOR smart bracelet from Maxinrytec is an all-in-one smart wristband with heart rate and blood pressure monitor in one place. 
Not only care about your health by the social contact, this bracelet contains the functions of call reminder, message reminder, etc. 
  Main Functions: - Blood Oxygen and Pressure Monitor The item offers advanced technology to measure the oxyhemoglobin saturation and pressure of your blood, telling your physical condition at all times and places.   
- Heart Rate Monitor   
24-hour continuous heart rate monitor automatically tracks your body condition and synchronize to the connected mobile phone.   
- Sedentary Reminder   
The wristband will remind you whether you're sitting too long and urge you to exercise.   
- Sleep Monitor   
Monitor your sleep time, sleep quality, sleep depth and finally draw up your sleep pattern, enabling to adjust your sleep habit.   
- Comprehensive Sports Tracker   
Multiple recording modes allow the watch to track your runs and capture distance, time, calories as well as maximum and average of pace, speed.   
- Multiple Functions: calendar, stopwatch, alarm are convenient in different activities.   Basic Parameters:  - MCU: NRF52832 QFAC 
- Acceleration Sensor: 3D accelerated ROHMS KXTJ-1009-2 
- Screen Size: 0.96 inch 
- Interactive Mode: single touch 
- Bluetooth: Bluetooth LE 4.0 
- Battery: 90mAh App language: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian,