B3 Smart Bracelet / Fitness Tracker w. Two Straps - Black

B3 Smart Bracelet with Heart Rate, Blood Oxygen & Stress Monitoring - Waterproof Fitness Tracker with Dual Strap & Smart Notifications

Stay connected and take charge of your health with this advanced smart bracelet, designed for both fitness and everyday lifestyle. Equipped with heart rate, SpO₂ (blood oxygen), and stress detection sensors, it provides real-time health insights while supporting multi-sport tracking. With a waterproof build suitable for swimming and diving, dual straps, and smart notifications, it’s the perfect all-in-one wearable.

Key Features
- Advanced Health Monitoring: Tracks heart rate, blood oxygen, and stress levels for complete health management.
- Multi-Sport Modes: Monitors different workouts, from running to swimming, ensuring accurate fitness tracking.
- Waterproof Design: Swim and dive safely with its water-resistant build, ideal for both pool and outdoor activities.
- Long Battery Life: Up to 3-5 days per charge, with fast 2-hour recharge time.
- Magnetic Charging: Sleek, easy-to-use charging system with secure magnetic attachment.
- Dual Strap Included: Comes with two interchangeable wrist straps, making it a versatile choice for couples or style variation.
- Smart Notifications: Stay updated with calls, texts, and app alerts directly on your wrist.

Specifications
- CPU: OM6626B
- Sensors: SC7A20H (Accelerometer), HX3918 (Heart Rate)
- Material: Zinc alloy + Epoxy resin
- Battery: 18mAh polymer lithium (3-5 days usage, 2h charging)
- Bluetooth Version: 5.3
- Waterproof Level: Suitable for swimming & diving
- Charging Requirement: 1A or below
- Compatibility: Android 6.0+ / iOS 11.0+ (App: Nx Wear)
- Operating Temp: 0-45℃ | Storage: -10-55℃ | Humidity: 5-95% (non-condensing)
- Protection: ESD Contact ±6KV / Air ±10KV | Surge: 12V
- Dimensions: Standard smart bracelet size (strap interchangeable)

Ideal Usage Scenarios
- Fitness Enthusiasts: Track multiple sports, heart rate, and recovery.
- Couples & Families: Includes two straps for sharing or customizing style.
- Swimmers & Divers: Safe for underwater training or recreation.
- Everyday Users: Stay notified with calls and messages while monitoring health daily.

Why Choose This Smart Bracelet?
Unlike basic trackers, this smart bracelet combines comprehensive health sensors, sports tracking, waterproof design, and smart connectivity in one sleek package. The dual strap option makes it even more versatile, and its compact build ensures comfort for all-day wear.

Interesting Facts
- The included dual straps make it an ideal gift set for couples.
- Equipped with latest Bluetooth 5.3, offering faster pairing and more stable connection.
- Despite its slim battery, optimized power management allows up to 5 days of use on one charge.