【Ultra-Light & Slim Design for All-Day Comfort】 Weighing only 16.5g (lighter than a standard AA battery) and measuring just 5.6mm thin, this smart bracelet feels "weightless" on your wrist—no pressure or soreness even after 24 hours of wear. Crafted from zinc alloy + epoxy resin, it balances durability with a sleek, skin-friendly touch, perfect for daily use or workouts.

【5ATM Waterproof for Versatile Use】 With 5ATM waterproof rating, it’s fully compatible with swimming, showering, bathing, and rainy days—no need to remove it during daily water activities. The sealed design protects internal components from water damage, ensuring long-term reliability.

【Comprehensive 24/7 Health Monitoring】 Equipped with HX3918 heart rate sensor, it tracks 24/7 real-time heart rate (records max/min/avg values), blood oxygen saturation, stress levels, and heart rate variability. It also monitors sleep structure (deep sleep, light sleep, awake time) and provides female physiological cycle reminders—helping you stay on top of your health.

【Bluetooth 5.3 & Nx Wear APP for Seamless Sync】 Connects via Bluetooth 5.3 to iOS (11.0+) and Android (6.0+) devices for stable, low-latency data sync. The Nx Wear APP visualizes daily/weekly/monthly data (steps, calorie burn, distance) and offers personalized insights. It also supports call reminders, ensuring you never miss important notifications.

【Multi-Functional & Easy to Use】Features multiple sport modes (outdoor running, indoor running, outdoor cycling, indoor cycling) to track workout metrics. Supports "shake-to-take-photo" (controls iOS/Android cameras) and single-touch operation for quick access to functions. 18mAh battery lasts 3-5 days on a single charge, with a 2-hour fast charge via magnetic cable.