Samsung Galaxy Note 4 UV and SpO2 sensors Demo [Video]

Samsung’s Galaxy S5 came with a dedicated heart-rate monitor, and while the benefits of this additional sensor remain dubious at best, the recently-announced Galaxy Note 4 and Note 4 Edge have something new to try, a dedicated UV and SpO2 sensors. So, what exactly do these two new sensors bring to the table? Well, the UV sensor is pretty self-explanatory: when you’re outside and point…

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