| Amazfit
click image to see larger view

Amazfit Bip S Smartwatch (31mm) with All-Day Heart Rate & Activity Tracking, Sleep Monitoring, Multiple Sports modes - Carbon Black

Frys#: 10038371 Model: W1821US1N
Price Match Request
Special Price
Coming Soon
open box starting at $17,990.99

Overall Customer Rating

Introducing Amazfit Bip S, built with excellence and detail. It’s a feather-light body and sleek look makes it comfortable to wear. Amazfit Bip S comes with an outstanding battery of 40 days which lets you achieve your fitness goals on a single charge. It’s a reminder and notification functionality bring more convenience to your life.
  • 15 Days Battery Life on a Typical Usage Scenario & 40 Days on a Basic Usage Scenario
  • 1.28” Transflective Color Always-On Display with Corning Gorilla 3 Tempered Glass
  • 2 Built-In Editable Dials and 40+ Watch Faces to Download
  • Ultra-Lightweight & Thin Body with 5 ATM Water Resistance
  • 10 Sports Modes, Sleep Monitoring and Activity Tracking with Distance, Heart Rate, etc.
  • Smart Notifications, Music Control, Alarm Clock, Sedentary Reminders, Weather Forecast
  • Built-In GPS + GLONASS
  • Innovative Huami-PAI™ (Personal Activity Intelligence)

Detailed Description
(Manufacturer # W1821US1N )
  • 31g ULTRA LIGHTWEIGHT & THIN DESIGN- Comfortable to wear every day, as well as for sports and sleep tracking with only 31 grams and 11.4mm thin body.
  • 40-DAY BATTERY LIFE- Up to 40 days of battery life on a single charge. Up to 22 hours with the GPS continuously on.
  • 5 ATM WATER RESISTANT- Designed to withstand all your activities, this watch is 5 ATM certified, equivalent to about 80 PSI, 164 feet or 50 meters water depth.
  • Huami-PAI™ (PERSONAL ACTIVITY INTELLIGENCE)- Turns heart rate data into a single, personal score, showing users how much activity they need to stay healthy.
  • BioTracker™ PPG HEART RATE SENSOR- Huami self-developed optical sensor, provides high-precision continuous heart rate tracking, heart rate warning and heart rate interval values.
  • 10 SPORTS MODES- Track daily activities as well as 10 sports modes: Treadmill, Outdoor running, Walking, Indoor cycling, Outdoor cycling, Open water, Pool, Yoga, Elliptical trainer, Freestyle.
  • TRANSFLECTIVE ALWAYS-ON COLOR DISPLAY- The highly colorful display is always on and easily readable outdoors even under bright sunlight. True bright colors with 64 Gamut.
  • Built-in GPS + GLONASS- Built-in GPS and GLONASS dual mode positioning allows you to accurately track your route and distance.
Charge Once, Use for up to 40 Days (note 1)
The Amazfit Bip S has outstanding battery life thanks to the electronic components selection and power optimization technology. With up to 40 days endurance on a basic usage scenario and 15 days on a typical usage scenario, the Bip S battery will keep up with your busy & active lifestyle.
Built-in Editable Dials and 40+ Watch Faces
4 Built-in Dials (2 editable + 2 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).
Transflective Color Display Does More with Less
1.28" Transflective Color TFT with resolution 176 x 176, 64 RGB color gamut and Always-on Display. It performs even better in outdoor environments, since the brighter the sunlight is, the clearer the display looks, making it ideal for outdoor sports.
10 Sports Modes (note 2)
Amazfit Bip S supports 10 sports modes (Treadmill, Outdoor running, Walking, Indoor cycling, Outdoor cycling, Open water, Pool, Yoga, Elliptical trainer, Freestyle), which also provides data such as track display, speed, heart rate, distance reminders, and excessive heart rate reminders.
Ultra Lightweight and Thin Body
Only 31g total weight and 11.4mm thickness for a comfortable wear day & night and during sports activities.
5 ATM Water Resistance (note 3)
The Amazfit Bip S is waterproof to 50 meters. You can wear it while swimming, and also record interesting swimming data, including stroke rate, stroke times, SWOLF index, tracks in open waters, etc.
Multiple Functions meet your Daily Activity
The Amazfit Bip S monitors your heart rate and sleep status like total sleep, light sleep, deep sleep and awake time. And the watch has rich and useful reminder functionality such as alarm clock, weather forecast, world clock and incoming call. You also can control phone music playback from your watch.
High-precision Sony 28nm low power GPS
The built-in Sony 28mm GPS chip, through several product updates and iterations, as well as continuous optimization and adjustment, performs even better in satellite search speed, positioning accuracy, and power consumption. The GPS can operate continuously for 22 hours (note 1).
Huami-PAI™ Health Assessment System (note 4)
Amazfit Bip S integrates the innovative Huami-PAI™ Health Assessment System, which eliminates the need to track complicated data and allows you to intuitively understand your physical state at a glance, as well as more concisely and precisely control your health.
1. Battery test conditions:

  • Basic usage scenario (40-day battery life). Factory default dial, heart rate measurement every 30 minutes, sleep monitoring, 100 notifications per day lighting-up the screen, exercise once a week for 30 minutes with GPS on, default brightness 10%.
  • Typical usage scenario (15-day battery life). Factory default dial, heart rate measurement every minute, sleep monitoring. Per day: 150 notifications lighting-up the screen, lift the wrist to display the time 30 times, 5 minutes of other operations; exercise 3 times a week for 30 minutes with GPS on, default brightness 60%.
  • GPS continuous working time (22 hours): GPS continuously on, heart rate continuously on.

Please note Battery life may vary according to usage, settings, and other factors, so the actual results may differ from the given data.

2. Indoor cycling, elliptical trainer, yoga and freestyle will be added by OTA upgrade

3. According to GB/T 30106-2013 / ISO 22810:2010 standard, the waterproofing reaches 50 meters. Amazfit Bip S is tested by the National Clock Quality Supervision and Inspection Center, report number: QT1912105. In order to maintain a good wearing experience, please wipe the watch as soon as possible after soaking in water.

4. PAI (Personal Activity Intelligence) is a science-backed health score, which measures the impact of your physical activity on your heart and guides you to a longer, healthier life. Backed by one of the world’s largest health studies*, maintaining 100 PAI or more is scientifically proven to provide maximum protection from heart disease and other lifestyle diseases. (*HUNT Fitness Study: The study was led by Professor Ulrik Wisloff from Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology, lasted 25 years, and involved 45,000 participants.)
1. The product images and screen contents on the pages above are for the purpose of illustration only. The actual product (including but not limited to appearance, color, size) and screen display contents (including but not limited to background, UI, and pictures) may be slightly different, so the actual product shall prevail.

2. The data on the pages above are theoretical values. All data, unless otherwise specified, is provided by internal laboratories or suppliers, and is obtained under specific test conditions. Actual use may vary slightly due to individual product differences, software versions, use conditions, and environmental factors, so actual usage data shall prevail.
Dimensions 42 x 35.3 x 11.4mm
1.65 x 1.39 x 0.449 in
Weight 31g (with strap) and 19g (without strap)
0.0683lb (with strap) and 0.0419lb (without strap)
0.031kg (with strap) and 0.019kg (without strap)
Body material Polycarbonate
Strap material Silicone and skin-friendly TPU
Wristband Length 110 mm (long), 85 mm (short)
Strap width 20mm
Waterproof rating 5 ATM certified (up to 50 meters water depth)
Display 1.28" Transflective Color TFT
resolution 176 x 176
Always-on Display
64 RGB color gamut
Touch screen 2.5D Corning Gorilla 3
generation tempered glass + anti-fingerprint coating
Sensors BioTracker TMPPG Bio-Tracking Optical Sensor
3-axis acceleration sensor
3-axis geomagnetic sensor
Bluetooth BT5.0/BLE
GNSS satellite positioning GPS + GLONASS
Battery 200mAh lithium-ion polymer battery (Typical value)
Charging time About 2.5 hours
Charging method Clip / 2-pins POGO pin
Battery Life¹ Basic usage scenario: 40 days
Typical usage scenario: 15 days
Standby scenario: 90 days
GPS continuous working time: 22 hours
Operating system Amazfit OS
Supported devices Android 5.0 or iOS 10.0 and above
Accessories 2 pogo pin USB Magnetic charger, user manual
Storage method Amazfit App
App Compatibility Amazfit APP compatible with Android 5.0 or iOS 10.0 and above
Packaging Directive+tpch、Air transportation
and Sea transportation、DOE、5ATM、BQB、WEEE、
Battery certificationUN38.3/MSDS/GB/CB/Battery Directive /REACH、BIS、KC
Brand Amazfit
Condition New
UPC 851572007702
User Information
 Back to Top