Wear it.
A small disc on the back of your hand. You forget it is there.
A new wearable from WearOptimo. Join the list to hear first.
Made like jewellery. Worn every day. Quiet until you want to know.
A small disc on the back of your hand. You forget it is there.
Over the first two weeks it learns your normal day.
One glance at the app shows if you are in your range.

Not light based. [Science line for Jeff to approve.]

