Vivosmart 4 Black Slate Small Medium Strap Size:NO SIZE Soothing gel pad delivers targeted

Soothing gel pad delivers targeted pressure

2 features a lightweight yet durable synthetic upper fused to a running spike inspired outsole to create the ultimate weapon of speed at an affordable price point

Enhanced estimated wrist heart rate and Pulse Ox to support advanced sleep monitoring and altitude acclimation at high elevations

940 LEAG BASIC WHITE/BLACK

Comfortable compression Fit

Vivosmart 4 Black Slate Small Medium Strap Size:NO SIZE Soothing gel pad delivers targetedSlim, 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