Mio LINK Heart Rate Monitor

• Enjoy Mio Continuous Technology with EKG-accurate heart rate data at even performance speeds with no uncomfortable chest strap
• In extensive testing against top heart rate chest straps, Mio LINK consistently performed with 99% EKG accuracy, even while running and cycling at speeds of up to 14.4 MPH
• LED lights and an electro-optical cell "sense" the volume of blood under the skin; sophisticated algorithms are applied to your pulse signal to detect your heart's true rhythm
• 5 customizable heart rate zones; LED lights tell you which zone you're in, so you can stay on track with your training goals
• Connect to your favorite fitness apps and sport devices with Bluetooth Smart (4.0) and ANT+ wireless
• Soft silicone and a formfitting design make the lightweight Mio LINK comfortable to wear, even during the most rigorous workouts
• The Mio LINK Heart Rate Monitor fits a wide range of wrist sizes; with no need for a chest strap, it is easy to put on and take off

Imported.

Fits wrists circumference:
• S/M: 4.8 - 6.9 in.
• L/XL: 5.9 - 8.2 in.