Vivosmart 4 Black Slate Small Medium Strap Backboards Stay connected on the run

Stay connected on the run with this lightweight Nike arm band

recovery time

Material: cotton

ACTIVE RECOVERY AND PERFORMANCE

TPU mouth piece

Vivosmart 4 Black Slate Small Medium Strap Backboards Stay connected on the runSlim, smart activity tracker blends fashionable design with stylish metal accents and a bright, easy to read display. Includes advanced sleep monitoring with REM sleep and gauge blood oxygen saturation levels during the night with the wrist based Pulse Ox Sensor. Fitness and health monitoring tools include estimated wrist based heart rate, all day stress tracking, Relaxation breathing timer, Vo2 Max, body battery energy monitor and more. Display