In antibacterial photodynamic therapy, irradiation is used to produce reactive oxygen species that kill off bacteria. Because it requires external light and oxygen, this method is only suitable for ...

A new update for the Charge 4 is rolling out, which will let users view blood oxygen saturation from the wrist. The update – spotted by 9to5Google – is part of a large package of new Charge 4 features ...

The Fitbit Charge 6, the latest addition to Fitbit's lineup of fitness trackers, has introduced a significant advancement in health monitoring with its built-in blood oxygen saturation (SpO2) feature.

Last March 2020, Fitbit said that it will be launching the Charge 4 band with its features involving a built-in GPS and SpO2 for the upgrade of its fitness tracker. Previously, the users could only ...

The European Union’s ombudsman has opened an investigation into claims by British mobile phone company O2 that the European Commission denied it its rights of defense in an ongoing investigation into ...

O2 has steamrollered its roaming charges, scrapping per-minute charging for incoming calls in favour of a flat-rate fiver per month. The service will initially only be available in Spain for O2 ...