Amazfit W1821US1N vs Fitbit FB507BKBK
You are here: Compare Smart Watches >> Heart Rate Monitor Smart Watches >> Amazfit W1821US1N vs Fitbit FB507BKBKTitle | 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 Black | Fitbit Versa 2 Health and Fitness Smartwatch with Heart Rate, Music, Alexa Built-In, Sleep and Swim Tracking, Black/Carbon, One Size (S and L Bands Included) |
Model | Amazfit W1821US1N | Fitbit FB507BKBK |
Basic Info |
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Suggested Price | $69.99 | $177.44 |
Sale Price | Check Price* | Check Price* |
Release | Jul 2020 | Nov 2019 |
Overview |
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Description | Stay 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. | Reach your fitness goals with this Fitbit Versa 2 smartwatch. The bright touch display and simple interface make it easy to check notifications and use applications, and Amazon Alexa integration lets you navigate using voice commands. This Fitbit Versa 2 smartwatch includes a variety of fitness tracking features that help you get the most out of your workouts. |
Top Features |
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Reviews |
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Walmart Rating | 4.4 (out of 273 reviews) | |
BestBuy Rating | 4.4 (out of 13 reviews) | 4.5 (out of 3655 reviews) |
Latest Reviews | No reviews yet. | |
All Features |
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Colour | Carbon Black | |
Item Weight | 7.2 ounces | |
Display technology | AMOLED | |
Device interface - primary | Touchscreen | |
Item model number | W1821US1N | |
GPS | GPS + GLONASS Enabled | |
OS | Amazfit OS, Default_no_selection_value | |
Date First Available | December 17, 2019 | |
Other display features | Wireless | |
Included Components | User Manual, Charging Pod, Smartwatch | |
Connectivity technologies | GPS | |
Batteries | 1 Lithium ion batteries required. (included) | |
Package Dimensions | 4.6 x 4.4 x 1.8 inches | |
release | Jul 2020 | Nov 2019 |
Sensors | Ambient light sensor | Accelerometer |
Product Weight | 1.09 ounces | 1.41 ounces |
Display Type | TFT | AMOLED |
Color Display | Yes | Yes |
Case Size | 31 millimeters | 40 millimeters |
Form Factor | Wristwatch | Wristwatch |
Backlit Display | Yes | Yes |
Battery Capacity | 200 milliampere hours | |
Metrics Measured | Distance swam | Calories burned |
Product Length | 0.45 inches | 1.57 inches |
Product Width | 1.39 inches | 1.59 inches |
Battery Type | Lithium-ion polymer | Lithium-polymer |
Charging Interface(s) | USB | USB |
Touch Screen | Yes | Yes |
Manufacturer's Warranty - Parts | 1 Year | 1 Year |
Maximum Wrist Size | 8.75 inches | 8.66 inches |
Clock Display | Yes | Yes |
Multi-Sport Tracking | Yes | Yes |
Color | Carbon Black | Black/Carbon with Silicone Band |
Maximum Depth of Water Resistance | 164 feet | 164 feet |
Rechargeable | Yes | Yes |
Wi-Fi Compatibility | None | Wireless B |
Series | Bip S | Versa 2 |
Mobile Notifications | Yes | Yes |
Case Material | Polycarbonate | Aluminum |
Case Thickness | 0.45 inches | |
Case Width | 1.39 inches | |
Screen Material | Corning Gorilla Glass 3 | |
Bluetooth Enabled | Yes | Yes |
Adjustable Band Length | Yes | |
Screen Size | 32.5 millimeters | 40 millimeters |
Band Material | TPU | Silicone |
Band Type | Strap | Band |
Clasp Type | Buckle | Buckle |
Global Positioning | GLONASS | None |
Color Category | Black | Black |
Model Number | W1821US1N | FB507BKBK |
Operating System Compatibility | Android | Android |
Water Resistant | Yes | Yes |
Product Height | 1.65 inches | 0.48 inches |
Product Name | Bip S Smartwatch 31mm Polycarbonate | Versa 2 Smartwatch 40mm Aluminum |
Display Screen | Yes | Yes |
Band Width | 20 millimeters | |
Case Shape | Rectangular | Rounded square |
Manufacturer's Warranty - Labor | 1 Year | 1 Year |
Brand | Amazfit | Fitbit |
Additional Accessories Included | Charging cable, clip dock | |
Bluetooth Version | 5.0 | 4.0 |
App Compatible | Yes | Yes |
Vibration Alert | Yes | Yes |
Band Color | Black | |
Product Type | Smartwatch | Smartwatch |
Number of Sensors | 6 | |
Integrated Camera | No | |
Customizable Watch Faces | Yes | |
NFC Technology | Yes | |
Adjustable Brightness | No | |
Dust Resistant | Yes | |
Usage Time | 144 hours | |
Operating System | Android | |
Mobile Payment Service Supported | Fitbit Pay | |
Works With | Amazon Alexa | |
Silent Alarm | No | |
Model Family | Fitbit Versa 2 | |
Battery Size | Not Available | |
Music Player | Yes | |
Shock Resistant | No | |
Voice Assistant Built-in | Amazon Alexa | |
Built-In Microphone | Yes | |
Alert Type | Vibration | |
Charging Time | 120 minutes | |
Data Plan Required | No | |
Product Depth | 0.5 inches | |
Replaceable Battery | Yes | |
Battery Strength Indicator | Yes | |
More Information |
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View Details & Price* | View Details & Price* | |
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