J16 Bluetooth Earbud Wristband — Heart Rate, SpO₂ Blood Oxygen & Fitness Tracker

Product Description

Experience seamless connectivity and comprehensive health monitoring — the J16 Bluetooth Earbud Wristband is a multifunctional smart wearable that elegantly combines true wireless in-ear Bluetooth earbuds with a wrist-worn fitness and health tracker, empowering you to manage both audio and wellness from one device.

Key Features

• Integrated Bluetooth earbuds (supports Bluetooth 3.0 & 4.0) — wear and go for calls and music without interruption
• Real-time, high-accuracy heart rate monitoring — dynamically tracks your heart during workouts
• Non-invasive blood pressure and blood oxygen saturation (SpO₂) measurement via companion app — monitor key health metrics at home
• Direct call control: answer or reject incoming calls with one tap on the wristband — no need to reach for your phone
• Professional activity tracking: precise step counting, distance, and calorie burn estimation — all displayed clearly on-screen
• Multi-sport mode recognition: automatically adapts to hiking, swimming, cycling, running, and more
• Advanced sleep analysis: distinguishes light sleep, deep sleep, and REM stages — generates personalized sleep reports
• Remote camera shutter: perfect for selfies or group photos — hands-free convenience
• Smart message alerts: real-time vibration notifications for WeChat, WhatsApp, Twitter, SMS, email, and other major apps
• Anti-lost alert + vibration reminder: automatically notifies you when your phone moves out of Bluetooth range
• Sedentary reminder: prompts you to stand and move at customizable intervals — supporting healthy habits at work and home

Technical Specifications

Specifications
General	Bluetooth Version: Bluetooth 4.0 / 3.0 Display Language: English (App supports Simplified Chinese) Water Resistance: IP67 rated (dustproof and splash/rain resistant — not suitable for swimming or submersion) Screen Type: High-definition TFT color display Compatible Systems: Android 4.4 or later / iOS 8.0 or later
Battery	Battery Type: Built-in polymer lithium-ion battery Capacity: 75 mAh Standby Battery Life: ~3–4 days (typical usage) Charging Time: ~2 hours (via USB fast charging)
Special Features	Supported Functions: Sedentary reminder, real-time heart rate monitoring, sleep quality analysis, call alerts, calorie estimation, 3-axis accelerometer step counting, SpO₂ blood oxygen detection Notification Support: Vibration alerts for WeChat, WhatsApp, Twitter, SMS, email, and more Alert Method: Intelligent haptic feedback — silent and discreet
Case & Strap	Case Material: Aerospace-grade zinc alloy — lightweight, durable, and fade-resistant Strap Material: Medical-grade thermoplastic polyurethane (TPU) — skin-friendly, flexible, sweat- and corrosion-resistant
Weight & Dimensions	Device Net Weight: 32.6 g Package Gross Weight: 118.0 g Device Dimensions (L × W × H): 4.24 × 1.36 × 1.30 cm (1.67 × 0.54 × 0.51 in) Package Dimensions (L × W × H): 10.20 × 9.10 × 4.00 cm (4.02 × 3.58 × 1.57 in)
What's in the Box	1 × J16 Bluetooth Earbud Wristband (Matte Black) 1 × Micro-USB Charging Cable (compatible with PCs and power banks) 1 × Quick Start Guide (bilingual: English & Simplified Chinese)

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