The next-generation Vívosmart has a built-in heart-rate monitor and new fitness monitoring tools, including VO2 max and all-day stress tracking in a slimmer design.
Subscribe to CNET: http://cnet.co/2heRhep
Check out our playlists: http://cnet.co/2g8kcf4
Like us on Facebook: https://www.facebook.com/cnet
Follow us on Twitter: https://www.twitter.com/cnet
Follow us on Instagram: http://bit.ly/2icCYYm
Add us on Snapchat: http://cnet.co/2h4uoK3