Comfortable on the finger. Doesn't move around like the ring occasionally does.
I wanted something just for sleep data- not fitness etc. this is PERFECT! Affordable, easy and comfortable and great data!
It says I sleep too long every night, but it says my sleep hours are within the 7-9 range. The software needs a review.
I like the app, but just after a week of use, the battery does not hold charge through the not.
I want to exchange it for a new one.
used this pillow flying to the Philippines best i ever used