Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker | NB2-WearableMaster
$20.64
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Why You’ll Love It?
NB2 Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker – Gold
【Screenless Ultra-Thin Design】The NB2 smart bracelet features a screenless design with an ultra-thin alloy case measuring only 4.9mm in thickness for a lightweight and comfortable fit.
【Comprehensive Health Monitoring】Tracks heart rate, blood oxygen, stress, and sleep in real time, providing detailed insights into your daily health status.
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WearableMaster'Opintion For Your Selection
WearableMaster'Opinion For Your Selection
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Screenless Experience - 79%
79%
-
Heart Rate Tracking - 81%
81%
-
Sleep Utility - 78%
78%
-
IPx8 Comfort - 82%
82%
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33Mah Endurance - 82%
82%
Best Uses and Buyer Fit
Use cases: NB2 supports distraction-free wellness, sleep and activity tracking through its companion app.
Best for: users who want continuous wrist-based data without another bright display or frequent interaction.
Benefits: NB2 brings together Screenless, Heart Rate, sleep, IPX8 and 33mAh in a wrist-worn format.
Ideal buyer profiles: sleep-conscious adults, focused workers, fitness beginners and screen-free wearable buyers.
Pros
- NB2 uses Heart Rate for convenient everyday feedback
- Sleep adds useful context for routines and recovery
- Ipx8 suits the source-listed wearing scenarios
- 33mah supports the intended portable routine
Cons
- Fit and sensor contact can vary with wrist position and strap adjustment
- Battery duration varies with monitoring frequency, screen use and connected features
- Wellness readings are intended for personal reference rather than medical diagnosis
NB2 Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker – Gold
Screenless Ultra-Thin Design
The NB2 smart bracelet features a screenless design with an ultra-thin alloy case measuring only 4.9mm in thickness
for a lightweight and comfortable fit.
Comprehensive Health Monitoring
Tracks heart rate, blood oxygen, stress, and sleep in real time, providing detailed insights into your daily health status.
IPX8 Waterproof Protection
With an IPX8 waterproof rating, the bracelet is suitable for shallow-water activities such as swimming, rafting, and playing in water.
Multiple Sports Modes
Built-in multiple sports modes including outdoor running, indoor running, cycling, walking, tennis, swimming, and yoga to track your exercise progress.
Long Battery Life
Product Details
Powered by a 33mAh polymer lithium battery, the bracelet delivers 7-10 days of daily use and up to
25 days of standby time.
Specifications
Hardware
CPU
AB2056D
Material
Zinc alloy + epoxy resin
Bluetooth-compatible Version
BLE 5.3
Product Details
Battery capacity
33mAh
Working Time
About 7-10days
Charing time
2H
G Sensor)
SC7A20H
Heart Rate Sensor
HX3918H
Product Details
Charging Cable
Magnet Cable(With SMT Protect IC)
Waterproof Level
IPX8
Charging Requirement
Charging 1A or less
Software
APP
Nx Wear
Function
Product Details
Heart rate detection
Blood oxygen test
Pressure detection
Heart rate variability
Female physiological cycle
Shake it to take a photo
Multiple sport modes
Sleep detection (Sleep time
Sleep quality)
Step count
Product Details
Synchronous data to APK/APP
APP Download
Download "Nx Wear" from Android market or for Apple store
Scan the following QR code and download “Nx Wear"
Specification
System Requirements
Android: 6.0 or aboveiOS: 11.0 or higher
Environmental Requirements
Operating temperature: 0~45°C
Storage temperature: -10~55°C
Product Details
Working humidity: 5%~95% (non-condensing)
Electrostatic protection: electrostatic standard contact: ± 6KV, air: ± 10KV
Surge protection: 12V
Drop requirements: refer to GB/T 2423.8 standard
Vibration requirements: refer to GB/T2423.10 standard
Charging temperature protection: 45°C
Product Size
Device Size
42.6*20.5*3.0mm
Strap Width
Product Details
16mm
Q & A
Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker | NB2-WearableMaster
| Detail Specs | NB2 |
|---|---|
| Model | NB2 |
| Androi | 6.0 or aboveiOS: 11.0 or higher Environmental Requirements |
| Operating temperatur | 0~45°C |
| Storage temperatur | -10~55°C |
| Working humidit | 5%~95% (non-condensing) |
| Electrostatic protectio | electrostatic standard contact: ± 6KV, air: ± 10KV |
| Surge protectio | 12V |
| Drop requirement | refer to GB/T 2423.8 standard |
| Vibration requirement | refer to GB/T2423.10 standard |
| Charging temperature protectio | 45°C Product Size Device Size 42.6*20.5*3.0mm Strap Width 16mm |
| Certificate | CE-RED,CE-RoHS |
| Color | Gold |
Quick Comparison
| Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker | NB2-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker | NB2-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||
| Image |  |  | | | | ||||||||||||||||
| SKU | WMB-NB2 | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||
| Rating | |||||||||||||||||||||
| Price | $20.64 | $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
Screenless Smart Bracelet Heart Rate Blood Oxygen Health Monitoring IPX8 Waterproof Bluetooth-compatible 5.3 Fitness Tracker | NB2-WearableMaster
