Personal health assistant & NoiseFit App : Take care of your health with features like blood oxygen (SpO2), heart rate, stress, REM & sleep monitors. Know more about your health, stay connected with the world and more via the dedicated NoiseFit app.9-day battery & IP68 Waterproof : The powerful 9-day battery stays with you through your everyday hustle. ColorFit Ultra is ready to go with you everywhere, thanks to IP68 waterproof rating.60 sports modes & 100+ watch faces: With 60 sports modes, you are spoilt for choices; just pick and play your sport. Change your look as per your preference with 100+ customisable and cloud-based watch faces (and straps).1.75” TruViewTM display : See the clear, bigger picture on the 1.75’’ touch screen with 320*385 pixels Crafted from Grade 6061 aluminium, ColorFit Ultra can withstand daily rough use with ease.