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Heart Rate Monitoring: Your smartwatch probably has a heart rate sensor that can continuously monitor your heart rate throughout the day and during exercise. This allows you to monitor your fitness and ensure your heart rate is within normal range.

2. Blood oxygen level (SpO2) monitoring: The device can also be equipped with an SpO2 sensor that measures the oxygen saturation level in the blood.This can be helpful in assessing your general health and fitness, as well as identifying potential health problems. Bluetooth connectivity

3. Bluetooth technology : Bluetooth technology allows you to connect your smartwatch to your smartphone or other compatible devices. This connectivity can be used for various purposes such as: Such as data synchronization, receiving notifications, etc.

4. Call and message notifications: With Bluetooth connectivity, the smart watch can receive notifications of incoming calls and display caller information on the watch screen. Additionally, it can notify you of incoming messages, emails and other app notifications from your smartphone.

5. NFC (Near Field Communication): NFC is a technology that enables contactless communication and data exchange between devices. In the context of a smartwatch, NFC can be used for various purposes, such as contactless payments, data transfer, and even pairing with other NFC-enabled devices.






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