Step into A Colorful LifeThe Amazfit Bip S with only 31g super lightweight body, which offers you a better wearing experience. The combination of beauty and technology makes it more cost-effective than ever before.Main Features:● 1.28 inch transflective display, large viewing is perfect for outdoor use.● Ultra lightweight and thin body. Only 31g total weight and 11.4mm thickness for a comfortable wear day night and during sports activities.● Special wristband cleaning process: stain resistant breathable and smoother touch.● 4 colors to choose from with quick release straps.● 5 Built-in Dials (4 editable 1 non-editable and more than 40 dials to download from the watch face store, for a personalized look(pointer dial,digital dial, function dial, iP dial).● Always-on display: The watch will always display the time and date on the screen anytime, anywhere.● 40 Days battery life on a single charge to keep up with your busy active lifestyle. Up to 22 hours with the GPS continuously working.● Low-power consumption transflective display technology.● 28nm ultra low power consumption Sony GPS chip, consuming only 1/3 power compared to similar GPS chips.● Huami Self-developed low power consumption Bio Tracker PPG optical sensor Reduces power consumption by 80%.● With 5 ATM, the watch can resist to any of your daily activity and can even be worn while swimming (up to 50 meters water pressure).● Corning Gorilla glass and anti-fingerprint coating makes it scratch resistant and easy to keep clean.● Robust hard 316L stainless steel button with color matching the watch, adding a fashion touch.● Two colors materials merged into 1 seamless watch body to makes the watch beautiful but also strengthens the case. Up to 1.2-meter drop test.● Exclusive Huami-PAI(Personal Activity Intelligence) activity tracking metric turning heart rate data into a single and personal score to know how much activity is needed to stay healthy.● High Precision Heart Rate Tracking with Huami Bio Tracker PPG optical sensor provides 24/7continuous heart rate measurement with heart rate interval values abnormal heart rate, with 98% improved accuracy compared to previous generations. Bip S also allows to see the hr curve directly from the watch screen.● 10 sports modes with detailed sports tracking: Treadmill, Outdoor Running, Walking, Indoor Cycling, Outdoor Cycling, Open Water, Pool, Yoga, Elliptical Trainer, Freestyle.● GPS+ gloNasS dual-satellite positioning chip for increased speed and accuracy. 28 continuous working time.● Sleep monitoring will measure your total sleep, light sleep, deep sleep and awake time to give you an analysis of your sleep patterns.● Activity tracking with daily steps, calories and distance gives you motivation to be more active.● Bluetooth music control directly from your watch while exercising without having to pull out your phone.● Sedentary reminders when you’ve been inactive for too long.● World clock, alarm clock smart notifications for incoming calls text messages, apps, calendars, custom events.● Easily find your Smartphone with the Find my phone function Weather forecast (5 to 7 Days)+temperature warnings...