U21 ECG Health Smart Watch with 2.2-Inch Curved Display, Bluetooth Calling, 330mAh Battery, 100+ Sports Modes, Sleep Tracking and IP67 Source Rating
$42.57
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Why You’ll Love It?
- U21 ECG Health Smart Watch: A large curved display presents compatible calls, activity records and source-listed wellness trends.
- 2.2-inch curved screen: The 320 x 385 interface extends toward the case edges for an expansive viewing area.
- Bluetooth calling: Use compatible contacts, dialing and call controls through a paired smartphone.
- 100+ sports modes: Record varied outdoor, indoor, dance, cycling and training routines.
- Three image-matched colors: Choose Black, Silver or Rose Gold.
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U21 ECG Health Smart Watch Review
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Large Display and Interface - 88%
88%
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Wellness Trend Toolkit - 87%
87%
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Calling and Daily Controls - 86%
86%
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Sports and Sleep Records - 85%
85%
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Battery and Wearability - 84%
84%
Best Uses and Buyer Fit
Use cases: U21 combines paired-phone calling, activity records and a broad set of source-listed wellness trends in a wide rectangular format. The interface suits quick checks during work, exercise and evening routines.
Best for: Buyers who want a large 2.2-inch display, more than 100 sports modes and detailed sleep records. Its Black, Silver and Rose Gold finishes offer neutral and warmer styling choices without changing the feature set.
Benefits: Bluetooth 5.3 supports compatible contacts, dialing and call handling. The Goodix sensor, dual ECG and PPG approach, motion sensor and Hband app organize personal reference trends alongside everyday reminders and activity data.
Ideal buyer profiles: Display-focused users, routine trackers and active buyers who prefer one dashboard for calls, sleep and workout records. The source-listed seven-day light-use estimate favors regular wear, while actual endurance varies with calls, screen time and monitoring frequency.
Pros
- Expansive 2.2-inch curved display
- Compatible Bluetooth calling controls
- More than 100 sports modes
- Detailed sleep and wellness trend tools
- Three image-backed color choices
Cons
- Large screen creates a broader wrist profile
- Calling depends on a paired smartphone
- Runtime varies with monitoring frequency
- Water use should follow supplied guidance
U21 ECG Health Smart Watch
- 【Premium Display & Design】Equipped with a 2.2-inch curved 3D flexible AMOLED screen with 320*385 resolution, extending to the edge of the strap for an immersive visual experience, housed in an ultra-thin aviation aluminum alloy body for comfortable all-day wear.
- 【Comprehensive Sleep Analysis】Six-level sleep monitoring with deep analysis and detailed sleep records, helping users understand and improve their sleep quality patterns for better overall health management.
- 【Bluetooth-compatible Calling & Communication】Independent calling functionality with contact management, dialer, and call handling capabilities, ensuring you stay connected without needing to reach for your phone.
- 【100+ Sports Modes & Fitness Tracking】Supports extensive workout tracking including running, cycling, outdoor activities, indoor training, dance, and martial arts, with precise motion sensors for accurate fitness data recording.
- 【Long Battery Life & Durability】Ultra-long 15-day standby time with 7-day regular usage, IP67 waterproof rating suitable for swimming, and magnetic charging for convenient power management.
- 【Multi-Language Global Support】Watch supports 31 languages including Chinese, English, Japanese, Korean, German, French, Spanish, and more, with app compatibility across 150+ countries and regions.
Q & A
U21 ECG Health Smart Watch with 2.2-Inch Curved Display, Bluetooth Calling, 330mAh Battery, 100+ Sports Modes, Sleep Tracking and IP67 Source Rating
| U21 | |
| Model | U21 |
| Product type | Bluetooth calling ECG and wellness smart watch |
| Variants | Black, Silver and Rose Gold |
| Display | 2.2-inch curved screen |
| Resolution | 320 x 385 pixels |
| Main chip | JL7013A6 with 128M Flash |
| Case and strap | Aviation aluminum alloy case with silicone strap |
| Bluetooth | Bluetooth-compatible 5.3 |
| Calling | Compatible calling, contacts, dialer and call handling through a paired smartphone |
| Battery | 330mAh lithium-polymer |
| Source-listed working time | Up to 7 days in stated light-use conditions |
| Source-listed standby time | Up to 15 days in stated standby conditions |
| Charging | Magnetic charging; source lists approximately 2 hours |
| Sports modes | More than 100 source-listed modes |
| Motion sensor | Jufly RA3220 |
| Heart-rate sensor | Goodix 3228 |
| Wellness tools | Source-listed ECG, PPG, heart rate, blood oxygen, body temperature, sleep and trend records |
| Sleep tools | Six-level source-listed sleep monitoring and records |
| Water resistance | IP67 source rating; follow supplied water-care guidance |
| App | Hband |
| Watch languages | 31 source-listed interface languages |
| Product size | 57.08 x 45.10 x 8.86mm |
| Source-listed weight | 79g main unit; 89g complete watch |
| Package | Watch, charging cable and English user manual |
| Use note | Wellness readings are consumer reference information and are not medical measurements or diagnoses |
Quick Comparison
| U21 ECG Health Smart Watch with 2.2-Inch Curved Display, Bluetooth Calling, 330mAh Battery, 100+ Sports Modes, Sleep Tracking and IP67 Source Rating remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||
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| Name | U21 ECG Health Smart Watch with 2.2-Inch Curved Display, Bluetooth Calling, 330mAh Battery, 100+ Sports Modes, Sleep Tracking and IP67 Source Rating remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||
| Image |  |  | | | | ||||||||||||||||
| SKU | WMT-U21 | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||
| Rating | |||||||||||||||||||||
| Price | $42.57 | $1,640.00 | Original price was: $1,020.00.$918.00Current price is: $918.00. | $1,800.00 | $750.00 | ||||||||||||||||
| Stock | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Availability | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||
| Add to cart | Select options This product has multiple variants. The options may be chosen on the product page | ||||||||||||||||||||
| Weight | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||
| Dimensions | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||
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FAQs
Q & A
U21 ECG Health Smart Watch with 2.2-Inch Curved Display, Bluetooth Calling, 330mAh Battery, 100+ Sports Modes, Sleep Tracking and IP67 Source Rating
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