Heart Rate Monitor*HD Colour Screen Large HD colour touchscreen, a smooth-flush alloy case and a soft skin friendly strap makes the tempo W even more remarkable*Calorie *Notifications Stay connected to what matters most with texts,calls,calendar alerts and notifications from apps by simply raising your wrist. *Boost Your Workout Record accurate workout data in different training mode, including road skipping,running and bicycling and provide a reminder to move if you've been sitting too long *Activity & Sleep Tracker Monitor your sleep,distance,calories,active minutes & time,heart rate & sleep quality to help understand your overall physical health. *IP67 Waterproof with tempo W's IP67 waterproof, now you wash hands, run in the rain and recover in the cold shower with the device on your wrist.*Advanced Power Saving Technology oraimo advanced power saving technology enables you to see more using less powerand enjoy an up to 20 days bateery life