These are problems with it being a smart ring RELATIVE to a smart watch.
- wrist size changes far less dramatically, and even if it do change, a strap swap for a smartwatch is far cheaper and easier than a whole-device change for a smart ring
- wristwatch doesn't interfere with any hand activity
- wristwatch far less likely to trap debris from your activities.
- wrist size changes far less dramatically, and even if it do change, a strap swap for a smartwatch is far cheaper and easier than a whole-device change for a smart ring - wristwatch doesn't interfere with any hand activity - wristwatch far less likely to trap debris from your activities.