Product 1: 【30 DAYS OUTSTANDING BATTERY LIFE】The Amazfit Bip S Lite smart watch has an outstanding 30-day battery life thanks to the electronic components selection and power optimization technology. Enjoy the freedom of going for a month-long trip without your charger, knowing that your watch won’t let you down.
Product 1: 【5 ATM WATER-RESISTANCE & 14 SPORT MODES】The Amazfit Bip S Lite sports fitness watch is waterproof to 5 ATM（50 meters), so you can wear it while swimming in pools and open water. In addition, the smartwatch also supports 14 sports modes, which provide data such as track display, speed, heart rate, distance reminders, making your exercise more efficient.
Product 1: 【HIGH-PRECISION HEART RATE MONITORING】Amazfit Bip S Lite smart watch monitors your heart rate throughout the day, including your resting heart rate and heart rate intervals, allowing you to know more about your physical condition. In addition, the watch will provide warnings on excessively high heart rate.

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Ages 7+
Windows XP SP2, Vista or Windows 7 (32 or 64 bit)

AMAZON ALEXA & GPS BUILT-IN: Use Amazon Alexa built in to ask questions, set alarms, check the weather, control your smart home devices, and more. And get precise tracking on your distance, daily step count and calories burne thanks to integrated GPS and GLONASS.
SUPER LIGHTWEIGHT DESIGN: Amazfit Bip U Pro only weigh about 31 grams. An ultra-light design you can barely feel when striving for peak performance.
LONG 9-DAY BATTERY LIFE: When fully-charged, you can relax and enjoy more than a full week of travel or work without worrying about chargers.

AMAZON ALEXA BUILT-IN: Talk to Amazon Alexa on your Amazfit Band 5. Ask questions, get translations, set alarms, and timers, create shopping lists, check the weather, control your smart home devices and more.
BLOOD OXYGEN SATURATION MONITOR: With Amazfit Band 5 you can measure your blood oxygen saturation and understand your physical state with OxygenBeats. Ideal during high-intensity workouts and sports such as marathons and gym workouts.
24/7 HEART RATE, SLEEP AND ACTIVITY TRACKER: The Amazfit Band 5 precise optical heart rate monitoring allows you to accurately track real-time steps taken, all-day heart rate monitoring, distance traveled, calories burned, and quality of sleep and sleeping patterns.

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Unisex STEPS DISTANCE CALORIE TIME + Weekly Average. Easy to read display.

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Smart Watch (Answer/Make Call), IP67 Waterproof Fitness Watch with Blood Pressure Heart Rate SpO2 Sleep Tracker Voice Control, Sports Smart Watches for Women Men for Android iOS Phones (Black)
Smart Watches for Men( Dial/ Answer Calls) 1.32” HD Fitness Tracker Watch with Call/Text/Heart Rate/Blood Pressure/SpO2/Sleep Monitor/Step , Business Sport Smartwatch for Android & iOS Phones(Black)

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Life time: use about 7-10 days, standby 15-20 days
Data storage: 7 days on the wrist end and 30 days in the cloud