| 1. Sensor for measuring oxygen concentration in the blood
This is one of the main improvements of the Apple Watch Series 6 over its predecessors. A new SpO2 sensor is used to measure the level of oxygen saturation in the user's blood, helping them understand their fitness level and overall health. It uses four green, red, and infrared LED clusters as well as four photodiodes to measure the light reflected from the blood, thereby helping it determine the level of oxygen saturation.
Apple says the new Apple Watch can measure the amount of oxygen in your blood in just 15 seconds. It even periodically reads your blood oxygen levels in the background and even while you are sleeping. There's a new Oxygen app on the Apple Watch Series 6 for this.
2. The Always On Display is brighter
The new Apple Watch Series 6 has the same screen size as the Series 5. However, Always-On Display mode has been improved and it now has 2.5 times brighter than Series 5 when used outdoors. In addition, the.. |
