AMOLED S4 Smart Watch 1.78" Ultra-Clear Screen for Men Women Bluetooth Call Answer Fitness Tracker, Sleep Monitor IP68 Waterproof for iOS 11.0+ Android 9.0+ Gold

[User-Friendly Design with AMOLED] Featuring an upgraded 1.78 '' ultra-clear AMOLED HD display with 368*448 resolution, 25% faster response speed than the previous version, a wider visual range, lower energy consumption, a wider color gamut, and higher contrast. S4 delivers clear visual effects. [All-in-One Smart Watch] This smart watch is designed for both men and women, combining a fitness tracker and a stylish accessory all in one. Stay connected with its Bluetooth calling feature, call logs, and message notifications. [Comprehensive Health Monitoring] S4 uses a high-precision sensor to accurately measure stress in real time.

Furthermore, the health watch tracks your sleep patterns, including deep sleep, light sleep, and REM sleep stages. [Versatile Fitness Tracker] With over 100 different sports modes, S4 helps you stay active and reach your fitness goals. Whether you are running, cycling, or practicing yoga, this watch accurately tracks your workouts and provides valuable insights to improve your performance. [Battery Performance] Equipped with a high-capacity 300 mAh battery, the watch provides up to 7 days of use on a single charge, up to 30 days in standby mode, and takes about 2 hours to fully charge.

The activity tracker supports extended use during business trips or travel. It is also waterproof for daily outdoor activities