These used to sell for $79.99.
There's nothing quite like the Jawbone Up Move. Small and colourful, Up Move becomes a part of your life with remarkable ease. It's an activity tracker, a sleep tracker and it hooks you up to Smart Coach, which is part of the best fitness app on the planet. Together, Up Move and Smart Coach team up to make living a well-balanced life easier than ever.
https://www.theverge.com/2017/7/6/15931080/jawbone-going-out…
Word of warning jawbone is dead so these are essentially fire sale/clearance items and there is no guarantee this "world's best fitness tracker app" will continue to function when their servers inevitably shut down.