For instance, user-replaceable batteries are still manufactured and sold for numpad phones from manufacturers like Nokia, with cells typically around 1000 mAh, more than enough for a small ESP32 ...

Back in the day, just about everything that used a battery had a hatch or a hutch that you could open to pull it out and replace it if need be. Whether it was a radio, a cordless phone ...

So, what can we expect from these earbuds? Arguably the headline feature is the battery life. The Nokia Clarity Earbuds 2 + are rated for 7 hours of ANC listening time for just the buds ...