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A "smart strap" is a technology that is capable of providing enhanced functionality to smartwatches, through built-in sensors located within the strap. For example, smart strap accessories can add a webcam, [116] ECG sensor [117] and biompedance measurement [118] features.
The watch also features oxygen saturation monitoring with an SpO2 sensor that can calculate the wearer's maximum rate of oxygen consumption. [13] Huawei Watch GT 2 Pro released September 2020 powered by LiteOS [14] In June 2021, Huawei announced the Huawei Watch 3 running on HarmonyOS 2.0. [15] Huawei launched the Huawei Watch GT 3 SE on ...
Smart masks "contain a sensor that monitors the presence of a SARS-CoV-2 protease in the breath." [72] Contained in the mask is a blister pack, which, when broken, causes a chemical reaction to occur. As a result of the chemical reaction, the sensor will turn blue if the virus is detected from an individual's breathing. [72]
A pple Inc. is planning to remove its blood-oxygen feature from its latest smartwatches — the Series 9 and Ultra 2 — to get around a US ban of the devices if an appeal of the decision fails.
The data collected from the optical sensor is transmitted to a mobile phone or device using Bluetooth or ANT+ so that athletes can keep track of their heart rate in real time. [ 6 ] The LifeBEAM Smart Helmet has been reviewed in publications such as Gear Patrol, [ 20 ] Cycling Tips, [ 21 ] and Cycling Tech Review, [ 22 ] and Gear Junkie.
The Fitbit Charge 3, a wristband health and fitness tracker introduced in October 2018, was the first device to feature an oxygen saturation (SPO2) sensor; however, as of January 2019, it was non-functional and Fitbit did not provide an implementation timeline. [44] The Fitbit Charge 3 comes with two different-sized bands: small and large.