【SOUYIE Fitness Tracker】Your 24/7 Health & Fitness Guardian Tired of complicated wearables with hidden fees? Meet the SOUYIE Smart Bracelet—your sleek, screen-free companion for effortless, all-around wellness. Designed for comfort and clarity, it delivers powerful health insights, intelligent tracking, and true subscription-free convenience—all on your wrist. Why Choose SOUYIE Smart Bracelet? ✅ 24/7 Health Radar – Continuously monitor heart rate, blood oxygen, stress & HRV ✅ Professional Sleep Analyst – Track sleep stages (light/deep/REM) & naps for better recovery ✅ 170+ Sports Modes & GPS – From running to yoga, map routes and optimize every workout ✅ 20-30 Day Battery– Charge less, live more ✅ 100% Free App – No subscriptions, no ads, lifetime free updates ✅ 18.4g Ultra-Light – Two straps included, all-day comfort for sleep & activity 🔍 24/7 Continuous Health Tracking Experience round-the-clock health monitoring with advanced sensors and AI algorithms. Our fitness tracker continuously measures real-time heart rate, blood oxygen, heart rate variability (HRV), and stress levels—day and night. Gain a comprehensive view of your wellbeing through detailed trends and analysis reports on the app. Understand your body, identify patterns, and take proactive steps toward a healthier you—all from your wrist. (Measurement results are for reference only and not intended for medical diagnosis.) 🌙 Day and Night Sleep Tracking Optimize your rest with 24/7 sleep monitoring. The newly upgraded tracker analyzes your nighttime sleep and daytime naps, providing professional insights into sleep stages (light, deep, REM), duration, and awake times. Understand your sleep patterns with clear reports, improve sleep quality, enhance recovery, and wake up truly refreshed. 🏃 All-Day Activity Tracking & 170+ Sports Modes Make every move count with 24/7 activity tracking and 170+ dedicated sports modes. Accurately record steps, distance, and calories burned all day. Train smarter across activities like running, yoga, basketball, and skipping—plus use 3 GPS modes (walking/running/cycling) to map your routes in real time. Sync to the app to review performance, track progress, and stay motivated. 📳 Instant Vibration Reminder Stay connected discreetly with smart vibration alerts. Receive notifications for calls, SMS, and apps like WhatsApp, Skype, and Facebook via Bluetooth sync. Gentle, private vibrations ensure only you feel the alert—no sounds, no disruptions. Never miss important messages during meetings, workouts, or quiet moments. ⚡ Long Battery Life & 1ATM Waterproof End daily charging anxiety. With an ultra-long 20–30 day battery life, low power consumption, and minimalist design, SOUYIE keeps going. The built-in 1 ATM water resistance stands up to sweat, rain, and handwashing. Wear it all day, every day—whether you’re at the gym or out in the rain. *(Not recommended for hot baths, swimming, diving, or saunas.) 💎 18.4g Lightweight Body & Double Straps Redefine comfort with an ultra-light 18.4g design. The stylish metal case is durable and sleek, complemented by two interchangeable straps (silicone + nylon) for versatile style. The screenless, ergonomically curved body ensures all-day comfort whether you’re working, sleeping, or exercising. 📱 Free App – No Subscription, Ever Enjoy full features without ever paying a subscription. Our 100% free app offers lifetime access: sync health metrics, analyze sleep, customize goals, and receive free updates—no hidden fees, no ads. Compatible with Android 5.0+ and iOS 10.0+, it pairs easily via Bluetooth and delivers premium insights with zero financial commitment. Step into smarter health tracking—effortlessly lightweight, genuinely free, and designed for life.