Polar Unite is the fitness watch for people looking to strike the ideal balance between exercise, leisure, and daily life. Discover your potential with Polar Unite. Polar Unite makes fitness and exercise enjoyable a part of daily life and keeps you encouraged to keep up your exercise routine. It tracks your sleep and different sleep phases with Sleep Plus StagesTM, analyzes your nightly recovery with the Nightly RechargeTM function, and provides FitSparkTM daily workouts customized to your current shape. The wrist's accurate optical pulse measurement system can continuously record the pulse. The color-touch display has been designed with indoor use in mind and has a lateral control button to complete the sporty, thin appearance! Using a connected smartphone that is included, the new fitness clock logs mileage, speed, and route. Features 24/7 intelligent pulse measurement and activity tracking Fitnesstest Running programs including training plan Swim metrics smart Calories Over 130 sports Color touch display (TFT) with sensor for ambient lighting (AS) - optimized for indoor use Timeless, slim design and light weight at only 30 grams Plastic bezel with Dragontail Asahi glass lens Air-permeable and ergonomic silicone tunnel wristband with plastic buckle Several strap options available as accessories 20 mm wide, commercially available replacement wristbands Side control button Good ergonomics for narrow wrists GPS via a connected and accompanying smartphone Long battery life: Up to 50 hours with wrist pulse measurement and connected GPS, up to 4 days in clock mode with continuous pulse measurement, up to 29 days in clock mode without continuous pulse measurement smart Do not disturb mode Stopwatch, interval timer & countdown timer Alarm with snooze function Waterproof (suitable for swimming).