Further advanced tracking features include a four-channel heart rate sensor, 24/7 monitoring, and SpO₂ tracking — all things you'd expect in a much (much!) pricier watch. The sleep tracking is also at a level that you would expect from a premium model. It gives you insights into your sleep stages and also monitors your stress levels

CMF, the budget-friendly sub-brand from Nothing, has announced its latest smartwatch. Billed by its maker as the ideal entry-level fitness watch, the $99 Watch 3 Pro is the most advanced CMF wearable to date,

The CMF Watch 3 Pro is a significant upgrade, offering enhanced health monitoring, more sports modes, and AI-powered running guidance.