IP-rated Waterproof Protection: Professional IP-rated waterproof technology, fully compatible with daily hand washing, rain exposure, and heavy sweating during exercise. Unaffected by moisture, it can be worn all day during exercise and commuting without worry 3D Precise Step Counting: Built-in high-precision 3D acceleration sensor, fully compatible with various exercise modes such as walking, jogging, and jumping. It accurately captures every step, ensuring zero missed or incorrect step counts, providing accurate and reliable data Freedom to Exercise Without a Phone: No Bluetooth connection to a phone is required; it can independently record exercise data, completely freeing you from device constraints. Enjoy outdoor running and indoor fitness anytime, anywhere, with all exercise data saved and retained Smart Vibration Reminder: Thoughtfully equipped with a vibration reminder function, supporting both vibration alarms and exercise goal achievement reminders. The silent vibration design doesn't disturb others, ensuring you're never late for school or work, and allowing you to track your exercise progress in real-time for efficient motivation and consistent progress Lightweight and Comfortable Wear: Made with selected ultra-light and soft silicone material, combined with an ergonomic wristband design, it's lightweight and comfortable on the wrist. There's no foreign body sensation even with prolonged wear, allowing for seamless transitions between daily commuting and fitness activities, maximizing comfort Real-time Data Visualization: Core data such as steps, calories burned, and exercise distance are clearly displayed in real-time, providing a clear view of exercise results and precise control over fitness goals, making weight loss, body shaping, and daily exercise more focused and efficient Dual Time and Date Display: Combining exercise and daily practical needs, you can quickly check the time and date with a simple glance. No need to wear an additional watch; one device serves two purposes, making daily travel and fitness activities more convenient Exercise Data Memory and Retention: Built-in data memory function automatically saves historical exercise records, allowing you to review your training progress at any time. Clearly see the progress of each workout, helping you stay motivated and push your limits Classic Pure Black, Durable and Versatile: Minimalist pure black color design, low-key and simple. The silicone wristband is durable and easy to clean, easily matching all scenarios including sports, commuting, and casual wear Durable and robust quality: Made of flexible and thickened silicone material, it is drop-resistant, scratch-resistant, and wear-resistant. It can withstand daily bumps and long-term exposure to sweat, ensuring stable operation. The device is sturdy and durable, offering a longer lifespan and excellent value for money Ditch your phone and enjoy a carefree run! This pure black, waterproof 3D sports bracelet accurately tracks your steps without needing a phone connection. Its IP-rated waterproofing means it's impervious to sweat and rain. Smart vibration alerts provide silent notifications for alarms and exercise goal achievements, without disturbing others. The ultra-light silicone material offers a comfortable, barely-there feel. The classic pure black design is dirt-resistant and versatile, and you can easily check the time, steps, and calories burned with a simple flick of your wrist. Perfect for all your exercise and commuting needs