For me, it’s an electric toothbrush. It doesn’t matter if you go with Sonicare or Oral-B, once you start using an electric toothbrush, regular toothbrushes don’t ever feel like they clean your teeth properly. The smooth plaque-free top layer of your teeth that you can feel after using an electric toothbrush can’t be replicated with a regular toothbrush.
A smartwatch or band. You’ll never have to hear notification or ring tones on your phone anymore. In addition, sleep, heart rate monitoring, sports tracking etc. are a big bonus. Cheapest bands are very affordable and obviously there’s no upper limit if you’re a wealthy pig.
Even though I love my old square G-Shock, the pros of wearing my Garmin Vivoactive over it just outweigh the cons.
My Garmin goes with me everywhere. I would recommend a Garmin to everyone. As someone with ADHD who forgets to charge their electronics, having a watch that only needs to be charged once in 8-10 days is absolutely amazing.