Articles by Hayato Huseman

Oxygen saturation, often shortened to SpO2, is a measure of the concentration of oxygen in your blood. On numerous Samsung phones, SpO2 can be measured using a series of sensors on the back of the phone in a method called pulse oximetry, which emits and absorbs a light wave through the blood vessels in your fingertip.

Samsung has moved this feature around quite a bit and even removed it entirely on many of its newer phones, but if your device still has the capability to read SpO2, it can be a useful health measurement.

Products used in this guide

Outstanding phone: Samsung Galaxy S10+ ($700 at Amazon)
Get it elsewhere: Samsung Galaxy S10+ ($700 at B&H)

How to measure oxygen saturation

As mentioned above, Samsung has phased out many of its once-commonplace sensors on newer phones like the Galaxy S20, but older devices like the S10 are still capable of measuring oxygen saturation using the Samsung Health app. It’s a fairly simple process so long as your phone supports it —…

A good keyboard can make or break your productivity throughout the day.

I’ve been working from home for about five years now, and a large portion of that time was spent on the iMac that sat on my desk until just a few months ago, when I sold it in favor of a laptop-and-monitor setup. I stuck with mostly first-party peripherals with my iMac — save for the miserable Magic Mouse that I quickly swapped for a Logitech MX Master — which means I’m no stranger to Apple’s Magic Keyboard 2.

It’s a great keyboard, with similar key travel to older MacBook Pro models, a minimal design, and a small footprint. But that small footprint meant that there was no number pad — Apple eventually released a wider variant of the Magic Keyboard that reintroduced the number pad — and equally frustrating, the keyboard recharges over Apple’s proprietary Lightning connector rather than the more ubiquitous USB-C.

That’s where Satechi’s Compact Backlit Bluetooth Keyboard comes in. Donning the same Space …