Comparisons

Amazfit W1821US1N vs Yohuton M4

You are here: Compare Smart Watches >> Heart Rate Monitor Smart Watches >> Amazfit W1821US1N vs Yohuton M4
Amazfit W1821US1NYohuton M4
Title Amazfit Bip S Fitness Smartwatch, 40 Day Battery Life, 10 Sports Modes, Heart Rate, 1.28'' Always-On Display, Water Resistant, Built-in GPS, Carbon BlackSmart Watch for Android Phone, Yohuton 1.1 Inch Full Touch IPS Color Screen Fitness Tracker Activity Tracker IP67 Waterproof Heart Rate Monitor Fitness Watch Compatible with iOS and Android (Gold)
Model Amazfit
W1821US1N
Yohuton
M4

Basic Info

Suggested Price $69.99$40.99
Sale Price Check Price*Check Price*
Release Jul 2020Jul 2020

Overview

DescriptionStay on top of your fitness targets with this carbon black Amazfit Bip S smartwatch. A powerful battery provides over 40 days of use on a single charge, and the 5 atm water resistance protects while swimming. This lightweight Amazfit Bip S smartwatch has an always-on display for clear visuals.
Top Features
  • Amazfit Bip S Fitness Smartwatch comes with a whopping 40 day long battery life on a single charge of 2.5-hours.
  • 10 Sport Modes Tracking (Treadmill, Outdoor Running, Cycling, Yoga, etc) with 5 ATM water resistant so you can take it for a swim.
  • Built-in GPS to track daily step count, distance traveled, calories burned, and sleep quality.
  • BioTracker PPG Heart Rate Monitor provides high-precision continuous heart rate tracking, warning and interval values.
  • Highly colorful always-on display with easily readable outdoors even under bright sunlight. True bright colors with 64 Gamut.
  • Get notifications for emails, SMS messages, and incoming phone calls as well as alerts for Facebook, Twitter, weather forecasts, etc.
  • Compatible with both Google Android and Apple iOS.
  • ⌚【Nine sports mode】Basketball, Badminton, Swimming, Football, Walking, Running, Moutaining, Ping-pong and Cycling.
  • ⌚【Multi-function】 Heart rate and sleep monitor, blood pressure function, pedometer, calories, distance, message and call reminder, alarm clock, sedentary reminder IP67 waterproof
  • ⌚【Friendly Full Touch】Operating the screen is easy by touching the lower part of the screen and you can navigate between the functions(Pedometer,heart rate monitor,Weather,Sleep monitor,Music control,Sports modes,Blood pressure etc). If you keep the screen pressed longer you can switch a function on or off.
  • ⌚【Compatibility and Battery life】Support to bluetooth 5.0, iOS 8.0 & Android 4.4 above (Smartphone only, not for PC, iPad or Tablet). One single charge gives you up to 8 days of battery life. Charger applicable voltage/current:5V 1A
  • ⌚【What you Get】 AN Lightweight smart watch which can enjoy the freedom of being able to do sports, Electronics industry leading 24h*7d customer service for all Yohuton products to achieve long-lasting enjoyment of your purchase.

Reviews

BestBuy Rating4.4 (out of 13 reviews)
Latest Reviews No reviews yet.No reviews yet.

All Features

ColourCarbon Black
Item Weight7.2 ounces
Display technologyAMOLED
Device interface - primaryTouchscreen
Item model numberW1821US1N
GPSGPS + GLONASS Enabled
OSAmazfit OS, Default_no_selection_value
Date First AvailableDecember 17, 2019
Other display featuresWireless
Included ComponentsUser Manual, Charging Pod, Smartwatch
Connectivity technologiesGPS
Batteries1 Lithium ion batteries required. (included)
Package Dimensions4.6 x 4.4 x 1.8 inches
releaseJul 2020Jul 2020
SensorsAmbient light sensor
Product Weight1.09 ounces
Display TypeTFTAnalog and digital
Color DisplayYes
Case Size31 millimeters
Form FactorWristwatch
Backlit DisplayYes
Battery Capacity200 milliampere hours
Metrics MeasuredDistance swam
Product Length0.45 inches
Product Width1.39 inches
Battery TypeLithium-ion polymer
Charging Interface(s)USB
Touch ScreenYes
Manufacturer's Warranty - Parts1 Year
Maximum Wrist Size8.75 inches
Clock DisplayYes
Multi-Sport TrackingYes
ColorCarbon Black
Maximum Depth of Water Resistance164 feet
RechargeableYes
Wi-Fi CompatibilityNone
SeriesBip S
Mobile NotificationsYes
Case MaterialPolycarbonate
Case Thickness0.45 inches
Case Width1.39 inches
Screen MaterialCorning Gorilla Glass 3
Bluetooth EnabledYes
Adjustable Band LengthYes
Screen Size32.5 millimeters
Band MaterialTPU
Band TypeStrap
Clasp TypeBuckle
Global PositioningGLONASS
Color CategoryBlack
Model NumberW1821US1N
Operating System CompatibilityAndroid
Water ResistantYes
Product Height1.65 inches
Product NameBip S Smartwatch 31mm Polycarbonate
Display ScreenYes
Band Width20 millimeters
Case ShapeRectangular
Manufacturer's Warranty - Labor1 Year
BrandAmazfit
Additional Accessories IncludedCharging cable, clip dock
Bluetooth Version5.0
App CompatibleYes
Vibration AlertYes
Band ColorBlack
Product TypeSmartwatch
Model numberM4
WarrantyIf this product is sold by Amazon, please review the manufacturer’s website for warranty information. If this product is sold by another party, please contact the seller directly for warranty information for this product. You may also be able to find warranty information on the manufacturer’s website.
Special featuresPhysiological Period Tracker, Safe Period Tracker, Heart rate monitor, Blood Pressure Monitor, Sleep Monitor
Brand, Seller, or Collection NameYohuton

More Information

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