Only the UP. I swim regularly. Note that you can't wear it while swimming, and while you can log exercise manually, it's less than perfect. I'd recommend getti

Only the UP. I swim regularly. Note that you can't wear it while swimming, and while you can log exercise manually, it's less than perfect. I'd recommend getting the UP. It's great. I wrote a bit about it at http://hboon.com/jawbone-up http://hboon.com/jawbone-up