The Haylou Watch 4 is designed for those who demand a blend of productivity and wellness on their wrist. At its center is a stunning 1.93-inch HD TFT display with a 320x380 resolution, framed by an ultra-thin bezel that maximizes your viewing area. Navigation is intuitive and tactile, thanks to an exquisite rotating crown that allows you to glide through menus and switch watch faces with ease. For the outdoor enthusiast, the Haylou Watch 4 is a powerful companion. It features precise GPS positioning supported by five major satellite systems (BDS, GPS, Galileo, GLONASS, and QZSS), ensuring accurate tracking whether you are navigating city streets or mountain trails. With over 120 sports modes and seamless synchronization with Strava, it professionally records your data to help optimize every workout. Communication is effortless with a built-in Bluetooth 5.3 chip that enables you to make and answer calls directly from your wrist, including a dedicated SOS emergency call feature. You can also interact with your smartphone via a voice assistant, receive real-time app notifications, and even use the watch as a remote shutter for your camera. Health monitoring is comprehensive, utilizing a next-generation optical sensor to track heart rate, blood oxygen (SpO2), and sleep quality. It also includes a dedicated female health management system for menstrual cycle tracking and an all-day stress test to help you maintain mental balance. Built for durability and longevity, the watch carries an IP68 waterproof rating, making it resistant to rain and sweat. Depending on your usage, the 380mAh battery provides up to 15 days of life in basic mode or 7 days in typical usage, ensuring you spend more time moving and less time charging.