Vivosmart 4 Black Slate Small Medium Strap Backboards TPU mouth piece

TPU mouth piece

Material: cotton

this backpack features a spacious compartment and adjustable shoulder straps

Mesh: 92% Polyester/8% Elastane

Stay connected on the run with this lightweight Nike arm band

Vivosmart 4 Black Slate Small Medium Strap Backboards TPU mouth pieceSlim, 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