![Mio Link heart rate monitor review: The Mio Link uses optical sensor to monitor heart rate, costs $99, coming April 2014 (hands-on) - CNET Mio Link heart rate monitor review: The Mio Link uses optical sensor to monitor heart rate, costs $99, coming April 2014 (hands-on) - CNET](https://www.cnet.com/a/img/resize/43f53269365ecf246d284d6f6f755168cd31b816/hub/2014/02/23/a4d494ca-a50a-11e3-a24e-d4ae52e62bcc/DSC02990.jpg?auto=webp&width=1200)
Mio Link heart rate monitor review: The Mio Link uses optical sensor to monitor heart rate, costs $99, coming April 2014 (hands-on) - CNET
![Mio Link Continous Heart Rate Wrist Band Works with Fitness App for iPhone 4S/5/5S/5C - Artic, Small/Medium : Amazon.co.uk: Sports & Outdoors Mio Link Continous Heart Rate Wrist Band Works with Fitness App for iPhone 4S/5/5S/5C - Artic, Small/Medium : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/71aqgtVRtcL._AC_UF894,1000_QL80_.jpg)
Mio Link Continous Heart Rate Wrist Band Works with Fitness App for iPhone 4S/5/5S/5C - Artic, Small/Medium : Amazon.co.uk: Sports & Outdoors
![The MIO ALPHA watch measuring the heart rate, Left, wrist attachment... | Download Scientific Diagram The MIO ALPHA watch measuring the heart rate, Left, wrist attachment... | Download Scientific Diagram](https://www.researchgate.net/publication/269333481/figure/fig2/AS:573246732857356@1513684079337/The-MIO-ALPHA-watch-measuring-the-heart-rate-Left-wrist-attachment-and-Right-upper-arm.png)