Smartwatches today come with tons of new features and modes. These watches
are marketed on the basis of these features. What makes these features so
functional are the presence of various sensors that help in improving a model. All
these sensors enable the numerous features and give the smartwatch a modern
- Ambient sensor- Several smartwatches provide the option of adaptive
brightness and this sensor is used to regulate that. It measures the outer
lightning and adjusts the display of the smartwatch.
- Accelerometer- This sensor tracks the movements of the watch wearer’s
body. It measures the acceleration and position of our body.
- Altimeter- This sensor is mostly used for smartwatches which provide
outdoor or sports modes options. Altimeter sensor tracks the upward and
downward motion of a body and is used mainly for trekking and mountain
climbing where it calculates how much calories is burned, the distance
covered, and the height one reaches to.
- Optical heart rate sensor- This sensor tracks the beats of the heart per
minute. Our beating hearts send a wavelength in our veins which is picked
up by this sensor to calculate the beats per minute.
- Spo2 sensor- Given the pandemic, this particular sensor is a very
convenient feature in current smartwatches. This sensor reads the colour
density of our blood and provides us the oxygen levels present in our
- Bioimpedance sensor- This sensor is used to track our respiratory levels
and our sleeping activity.
- Proximity sensor- This can vary from brand to brand as it performs on the
basis of movement.
- Compass- As evident from its name, the compass sensor is used for
providing directions. Essential while mountain climbing or outdoor
activities this sensor provides you with east, west, north or south
- GPS sensor- Connected to satellites for accuracy, GPS is essential for
- Gesture sensor- Gadgets today are touch screen enabled which allows for
features like swiping, double tapping and holding the screen for a few
seconds. All these are enabled by the gesture sensor.
- Magnetometer- This sensor acts like a supporting system along with the
GPS and Compass sensor to accurately track and measure locations.
- Gyro Sensor- This sensor is typically used to calculate angular velocity. It
calculates the angles of a body in contrast to gravity and along with GPS
provides more accurate results.