B8 Ultra-Slim Smart Watch with 2.8mm Metal Case, IPX8 Source Rating, Heart Rate, Blood Oxygen, HRV and Sleep Tracking, Women’s Cycle Tools and 5-7 Day Battery Life
$36.15
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Why You’ll Love It?
- 2.8mm ultra-thin metal case: The curved bracelet-style profile is designed for a light, close and comfortable wrist fit.
- Everyday wellness tools: Review heart rate, blood oxygen, stress, HRV, sleep and women’s cycle records in the compatible app.
- IPX8 source rating: The slim case is built for everyday water exposure when used according to the supplied care guidance.
- 5-7 day source-listed use: A protected 33mAh battery charges magnetically in about two hours.
- Three image-matched colors: Choose Silver, Gold or Black.
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WearableMaster'Opintion For Your Selection
B8 Ultra-Thin Health Smart Watch Review
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Slim Design and Comfort - 89%
89%
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Wellness Tracking Variety - 87%
87%
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Battery and Charging - 85%
85%
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App and Daily Records - 84%
84%
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Notifications and Controls - 82%
82%
Best Uses and Buyer Fit
Use cases: B8 suits all-day activity records, sleep review, paired-phone alerts and lightweight wellness trend checks. Its bracelet profile works well for commuting, office routines, walking and low-profile overnight wear.
Best for: Buyers who want a discreet alternative to a large square watch. The 2.8mm source-listed metal case, curved shape and three restrained finishes place comfort and appearance at the center of the design.
Benefits: Heart rate, blood oxygen, stress, HRV and women’s cycle tools bring several personal records into the Nx Wear app. Source-listed 5-7 day use and magnetic charging reduce daily charging demands.
Ideal buyer profiles: Style-conscious users, smaller-wrist wearers and anyone seeking a simple activity companion with call alerts and sleep information. The compact display favors quick status checks, while wellness readings remain personal reference information.
Pros
- Distinctive 2.8mm ultra-thin case
- Comfortable curved bracelet profile
- Broad wellness trend selection
- Source-listed 5-7 day use
- Three versatile color finishes
Cons
- Compact display is intended for brief glances
- Alerts depend on a paired smartphone
- Magnetic charger should be kept available
- Water use should follow supplied guidance
B8 Ultra-Slim Design
B8 Ultra-Slim Design. The Thinnest in the Industry, Extraordinary from the Start. 2.8mm Ultra-Thin Body | Curved Design | Incoming Call Reminder | Comprehensive Health Protection | Multiple Sports Modes. Sleek Body, Debuts Dazzlingly.
Technology Makes Life Simpler
Containing All Your Expectations for a Fashionable Wristwatch.
Ultra-Thin Body, Debuts Dazzlingly
A simple and elegant square dial is embedded in the 2.8mm ultra-thin metal case, creating a strikingly strong visual impact, dynamic and resilient.
Ergonomically Designed
Fits Snugly for Wear Comfortable Without Fatigue. Fits Snugly Around the Wrist, Comfortable for Long-Term Wear Without Fatigue.
All-Day Health Monitoring
Equipped with a wrist optical sensor, it can monitor heart rate and blood oxygen in real-time whether you are exercising or sleeping. This product is not a medical device; the health data and suggestions provided are for reference only and are not intended for diagnosis and treatment.
Special Periods Enjoy Special Care
Built-in female physiological cycle function, displays different status reminders during different periods. Menstrual Period. Fertile Period. Safe Period.
Every Step Is Precisely Calculated
Active hours, exercise duration, activity calories, each piece of data is clear at a glance. Goal achievement is clearly visible, the formation of exercise habits is traceable.
Scientific Sleep Monitoring
Accurately monitors sleep stages, characteristics of various periods such as deep sleep, light sleep, and REM sleep, conducts sleep quality analysis, and helps you adjust sleep habits to obtain higher quality sleep.
Long-Lasting Battery Life
Large capacity battery, combined with innovative smart processor energy-saving algorithms. Under daily usage scenarios, it can last up to 5-7 days; in standby mode, it can last up to 30 days.
Crafted for Fashion
Multiple Color Options. Multiple colors available, water-resistant and dust-resistant, durable.
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【B8 Ultra-Slim Design】Featuring a sleek 2.8mm metal casing and curved profile, this smart bracelet offers a stylish and comfortable fit.
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【Sleep Analysis】Monitor sleep duration and quality to help improve your rest and overall well-being.
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【Female Health Tracking】Includes a menstrual cycle tracker to help women manage their physiological health more effectively.
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【Smart Notifications】Receive call alerts directly on your wrist for seamless communication management.
APP Download Method:
- Compatible with Android & iOS: Search “Nx Wear” on App Store (iOS) or Tencent MyApp (Android) to download and install.
- Scan QR Code to download and install Nx Wear.





















Q & A
B8 Ultra-Slim Smart Watch with 2.8mm Metal Case, IPX8 Source Rating, Heart Rate, Blood Oxygen, HRV and Sleep Tracking, Women's Cycle Tools and 5-7 Day Battery Life
| DETAIL SPECS | |
|---|---|
| Model | B8 |
| Product type | Ultra-thin wellness and activity smart watch |
| Variants | Silver, Gold and Black |
| Case profile | 2.8mm source-listed metal case thickness with curved profile |
| Processor | OM6626B |
| Bluetooth | Bluetooth 5.3 |
| Notifications | Call alerts and compatible phone notifications |
| Battery | 33mAh polymer lithium battery with protection IC |
| Source-listed working time | Approximately 5-7 days; actual runtime varies |
| Source-listed charging time | About 2 hours |
| Charging | Magnetic charging cable; source recommends 1A or below |
| Water resistance | IPX8 source rating; follow supplied water-care guidance |
| App | Nx Wear |
| Compatibility | Source lists Android 6.0 or later and iOS 10.0 or later |
| Materials | Zinc alloy and epoxy resin case; silicone and stainless-steel strap |
| Source-listed size | Approximately 46 x 19.5 x 2.8mm metal case |
| Strap fit | Approximately 13.5-21.5cm wrist circumference |
| Source-listed weight | Approximately 41.2g |
| Sensors | SC7A20H accelerometer and HX3918 heart-rate sensor |
| Activity tools | Multiple sports modes, steps, sleep, camera remote and app data sync |
| Wellness tools | Heart rate, blood oxygen, stress, HRV and women's cycle records |
| Use note | Wellness readings are consumer reference information and are not medical measurements or diagnoses |
Quick Comparison
| B8 Ultra-Slim Smart Watch with 2.8mm Metal Case, IPX8 Source Rating, Heart Rate, Blood Oxygen, HRV and Sleep Tracking, Women's Cycle Tools and 5-7 Day Battery Life remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||
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| Name | B8 Ultra-Slim Smart Watch with 2.8mm Metal Case, IPX8 Source Rating, Heart Rate, Blood Oxygen, HRV and Sleep Tracking, Women's Cycle Tools and 5-7 Day Battery Life remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||
| Image | ![]() | ![]() | ![]() | ![]() | ![]() | ||||||||||||||||
| SKU | WMT-B8 | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||
| Rating | |||||||||||||||||||||
| Price | $36.15 | $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
B8 Ultra-Slim Smart Watch with 2.8mm Metal Case, IPX8 Source Rating, Heart Rate, Blood Oxygen, HRV and Sleep Tracking, Women's Cycle Tools and 5-7 Day Battery Life
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