Useful technology does not ask for attention all day. It earns its place by making one repeated task simpler, more comfortable or easier to understand.
Begin with the part of the day that repeats
Before adding another product, identify the moment that keeps getting awkward: finding power, carrying a setup, concentrating in a shared space or returning home with too many loose parts. A good choice solves that specific problem without creating a new one.
Choose the object that makes the routine lighter, not the one that merely looks more capable.
Look for ordinary usability
Controls should make sense without a manual. Materials should tolerate travel and regular cleaning. A useful tool also needs a clear place when it is not being used, because that is when clutter starts to win.
Keep the system small enough to maintain
Build around compatible charging, simple storage and a short list of things you will actually carry. The less time a setup needs to recover from a busy week, the more likely it is to remain useful.