Color Touch Screen:The ST-4 watch features a high-definition color touch screen that clearly displays time, alerts and other features. Smartphone compatibility: the ST-4 can be linked to smartphones via Bluetooth to receive alerts, incoming calls, text messages and other notifications. Multifunctional: in addition to time tracking and alerts, the ST-4 offers a host of additional features such as 60 Quran parties fitness tracking, heart rate measurement, sleep tracking, music control, GPS, remote camera control, and more. Stylish and Durable The ST-4 watch has a sleek and stylish design that suits most tastes and is made of high-quality materials for durability and durability. Waterproof:ST-4 watch is waterproof and dustproof, which makes it suitable for daily use and sports.