31.
32.
34.
Anker’s 3-in-1 Qi2.2 charging station is $95 off
(theverge.com)
35.
36.
38.
Oura Ring 5 review: Size is everything
(engadget.com)
39.
Designing a Personal Pebble Watchface
(news.ycombinator.com)
40.
Prime Day steal: The Fitbit Charge 6 plunges below $90 for the first time ever
(androidauthority.com)
41.
42.
43.
44.
Do fitness trackers still work if you have tattoos?
(engadget.com)
45.
Which coworker stresses you out most? This WHOOP user built a stress leaderboard
(androidauthority.com)
46.
iOS 27 gives AirPods custom EQ and heart rate sync
(9to5mac.com)
48.
Google wants your phone to track your heart rate by simply looking at you
(androidauthority.com)
49.
50.
51.
Your phone can use tiny skin-colour changes to measure your heart rate
(feeds.nature.com)
52.
53.
Passive heart-rate monitoring during smartphone use in everyday life
(feeds.nature.com)
54.
Oura shrunk its new ring by 40% and made it look a lot more like jewelry
(feeds.feedburner.com)
55.
57.
59.
60.
Sauna effect on heart rate
(news.ycombinator.com)