The Sport watch heart rate testing is becoming more and more popular.It also has many functions ,such as heart rate testing ,calory consumption.The built-in NFC 13.56MHz high frequency (Fudan micro FM1108) and low-frequency 125KHz (T5577) passive RFID chips(can be customized to change).
The smart watch with blood pressure monitor is ergonomically designed for durability, softness and comfort. Flexible, easy to wear, easy to use, waterproof, moisture resistant, shockproof, and resistant to high temperatures.
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