Amazfit W1821US1N vs UMIDIGI UFit
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| 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 Black | Smart Watch, UMIDIGI UFit Fitness Tracker for Men Women with Blood Oxygen(SpO2) Meter Heart Rate Monitor 5ATM Waterproof, Smartwatch for iPhone Android Phones |
| Model | Amazfit W1821US1N | UMIDIGI UFit |
Basic Info |
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| Suggested Price | $69.99 | $39.99 |
| Sale Price | Check Price* | Check Price* |
| Release | Jul 2020 | Jul 2020 |
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. | Keep direction and time with this Amazfit T-Rex smartwatch. The rugged military-grade construction provides durability in harsh environments, while the powerful battery lasts up to 20 hours on a single charge. This Amazfit T-Rex smartwatch has an always-on 1.3-inch AMOLED display to keep you updated on the time, and the water-resistant design allows for use in wet conditions. |
| Top Features |
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Reviews |
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| BestBuy Rating | 4.4 (out of 13 reviews) | 4.5 (out of 11 reviews) |
| Latest Reviews | No reviews yet. | No reviews yet. |
All Features |
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| Colour | Carbon Black | |
| Item Weight | 7.2 ounces | 4.8 ounces |
| Display technology | AMOLED | |
| Device interface - primary | Touchscreen | |
| Item model number | W1821US1N | UFit |
| GPS | GPS + GLONASS Enabled | |
| OS | Amazfit OS, Default_no_selection_value | |
| Date First Available | December 17, 2019 | April 2, 2020 |
| Other display features | Wireless | |
| Included Components | User Manual, Charging Pod, Smartwatch | |
| Connectivity technologies | GPS | |
| Batteries | 1 Lithium ion batteries required. (included) | 1 Lithium ion batteries required. |
| Package Dimensions | 4.6 x 4.4 x 1.8 inches | |
| release | Jul 2020 | Jul 2020 |
| Sensors | Ambient light sensor | Accelerometer |
| Product Weight | 1.09 ounces | 2.08 ounces |
| Display Type | TFT | AMOLED |
| Color Display | Yes | Yes |
| Case Size | 31 millimeters | 44 millimeters |
| Form Factor | Wristwatch | Wristwatch |
| Backlit Display | Yes | Yes |
| Battery Capacity | 200 milliampere hours | 390 milliampere hours |
| Metrics Measured | Distance swam | Altitude changes |
| Product Length | 0.45 inches | 1.88 inches |
| Product Width | 1.39 inches | 1.88 inches |
| Battery Type | Lithium-ion polymer | Lithium-ion polymer |
| Charging Interface(s) | USB | USB |
| Touch Screen | Yes | Yes |
| Manufacturer's Warranty - Parts | 1 Year | 1 Year |
| Maximum Wrist Size | 8.75 inches | 9.0 inches |
| Clock Display | Yes | Yes |
| Multi-Sport Tracking | Yes | Yes |
| Color | Carbon Black | Rock Black |
| Maximum Depth of Water Resistance | 164 feet | 164 feet |
| Rechargeable | Yes | Yes |
| Wi-Fi Compatibility | None | None |
| Series | Bip S | T-Rex Smartwatch |
| Mobile Notifications | Yes | Yes |
| Case Material | Polycarbonate | Polymer |
| Case Thickness | 0.45 inches | 0.53 inches |
| Case Width | 1.39 inches | 1.88 inches |
| Screen Material | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Bluetooth Enabled | Yes | Yes |
| Adjustable Band Length | Yes | Yes |
| Screen Size | 32.5 millimeters | 31 millimeters |
| Band Material | TPU | Silicone |
| Band Type | Strap | Strap |
| Clasp Type | Buckle | Buckle |
| Global Positioning | GLONASS | GLONASS |
| Color Category | Black | Black |
| Model Number | W1821US1N | W1919US5N |
| Operating System Compatibility | Android | Android |
| Water Resistant | Yes | Yes |
| Product Height | 1.65 inches | 0.53 inches |
| Product Name | Bip S Smartwatch 31mm Polycarbonate | T-Rex Smartwatch 44mm Polymer |
| Display Screen | Yes | Yes |
| Band Width | 20 millimeters | 20 millimeters |
| Case Shape | Rectangular | Round |
| Manufacturer's Warranty - Labor | 1 Year | 1 Year |
| Brand | Amazfit | Amazfit |
| Additional Accessories Included | Charging cable, clip dock | Magnetic charging base |
| Bluetooth Version | 5.0 | 5.0 |
| App Compatible | Yes | Yes |
| Vibration Alert | Yes | |
| Band Color | Black | |
| Product Type | Smartwatch | Smartwatch |
| Customizable Watch Faces | Yes | |
| Music Player | Yes | |
| Screen Resolution | 360 x 360 | |
More Information |
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| View Details & Price* | View Details & Price* | |
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