XIAOMI MI SMART BAND 4 ANDROID & IOS FITNESS WATCH – BLACK Breathalysers the Head Strap can be

the Head Strap can be strapped to a helmet or directly on your head

With a 144Hz refresh rate every frame is rendered sharply and in smooth succession

Clear Vision improves image and video fidelity

like time lapse photography

Short ClipsCapture 15 or 30 second video clips that are just the right length for sharing

XIAOMI MI SMART BAND 4 ANDROID & IOS FITNESS WATCH – BLACK Breathalysers the Head Strap can beStep up and live more with the Xiaomi Mi Smart Band 4. This fitness watch connects to your Android or Apple smartphone and runs via the Mi Fit app. Burn those calories and stay on track with step count, distance travelled and calories burned for each of six workout modes: treadmill, exercise, outdoor running, cycling, walking and swimming. Control your music and instantly view call, text, and app notifications on the Smart Band 4s full colour AMOLED