• Watch S1 - Black | Bhr5668ap
  
• Black leather strap + black fluororubber strap
• 1.43" AMOLED display
  
• 117 fitness modes
  
• Bluetooth phone call
• Health index
• Advanced sleep monitoring
• SpO2 measurement
• 24-hour heart rate tracking
  
• Dual-band GPS
• Mi Fitness app
  
• Alexa voice assistant
  
• Bluetooth 5.2
• Wi-Fi IEEE 802.11b/g/n 2.4GHz
  
• Adjustable length: 165.1 - 225.1 mm
• Battery life: 12 days (typical usage mode)
• Waterproof level: 5 ATM

Xiaomi Watch S1 Smart Watch - Black | Bhr5668ap

Features

• Large display, timeless beauty
  A large 1.43" AMOLED display, built with advanced display and energy-saving technology, coated by the sapphire crystal, will give you an amazing visual experience, turning the slow passing by of time into an art. Supports always on display.
• Showcase your taste with a tilt of the wrist
  Xiaomi Watch S1 offers two inbox straps: a premium leather strap and a dirt-resistant fluororubber strap. One for you to look the part for those special occasions, the other to give you comfort for your exercises. Both straps are lightweight, soft and skin-friendly.
• Fluororubber strap
  Dirt-resistant and easy to clean. Long-lasting and exquisite, non-sticky to your skin when you sweat.
• Leather strap
  Finest selected premium leather, soft and durable. The natural fine grain gives it more elegance.
• Dual-band multi-system GPS
  The built-in dual-band GNSS chip supports five major satellite positioning systems: GPS, BeiDou, GLONASS, Galileo, and QZSS, together with advanced optimization algorithms to achieve faster, more accurate positioning, giving you professional statistics.
• 117 workout modes
  Supports 117 workout modes, with 19 professional workout modes including basketball, tennis, swimming, HIIT and so much more. No matter what sports you are passionate about, Xiaomi Watch S1 has got you covered. The advanced hardware and software will make sure your workout statistics are accurately recorded.
• 5 ATM water resistance
  Xiaomi Watch S1 has a water resistance rating of 50 meters, so feel free to wear it during open water swimming or in the pool.
• Move at will, one-tap access
  Dedicated SPORT button to access your favorite workout with just one touch. Xiaomi Watch S1 also supports auto-detection of treadmill, outdoor running and walking.
• 24-hour heart rate monitoring
  Powerful multi-channel PPG bio-sensors with 24-hour heart rate monitoring. With upgraded hardware and algorithms, the sensor accurately monitors your heart rate even as you do high-intensity exercise, and sends out alerts when your heart rate is too high, giving you peace of mind at all times. It also automatically saves your resting heart rate* curve from the previous 30 days, continuously tracking health changes.
• All-day blood oxygen monitoring
  Blood oxygen measurement is particularly important nowadays. Timely blood oxygen monitoring can help provide a better picture of your physical condition. The advanced hardware and software make continuous blood oxygen monitoring possible throughout the day. You can select the measurement interval to stay on top of your health.
• Improved sleep monitoring - 35% Improved accuracy
  Supports sleep monitoring of long sleeps and sporadic naps, records different sleep stages, helping you to know more about what's happening during your sleep to better develop healthier sleep habits.
• Stress detection
  Stay aware of your stress levels, and record daily and 30-day stress trends to help you take everything in your stride.
• Breathing exercise
  Relieve physical and mental stress quickly by following the displayed rhythms and doing breathing exercises for 1-5 minutes.
• Health index
  The health index has been upgraded to support the setting of durations and standing goals for medium- and high-intensity activities* helping you to achieve a healthier lifestyle.
• Long battery life
  The Xiaomi Watch S1 is equipped with an extra-large 470 mAh battery which greatly extends usage time, so you don't have to be inconvenienced by frequent charging. With the all-new Xiaomi Watch S1 magnetic wireless charging dock, you can charge quickly no matter where you are.
• Free your hands with Bluetooth® phone calls
  When your phone receives a call, you can answer it on your watch with one touch and talk directly into the watch*, thanks to the built-in microphone and speaker.
• Voice assistant at your service
  The built-in Alexa voice assistant helps you easily look up information and control your smart home devices, so you can solve things hands free.
• See your health at a glance
  Using the Mi Fitness app, you can easily view your daily health statistics, such as heart rate, fitness and sleep, providing a clear picture of your health. Data synchronisation with Strava* and Apple Health* is also supported*, helping you to become more self-disciplined.
• No worries, I’m here for you
  In the event of an emergency, press the button at the bottom right of the watch three times in a row to quickly dial your emergency contact and keep you safe.