C20 5 ATM Waterproof Smart Watch!!
Low Power Consumption: Look for watches with power-saving modes and efficient processors.
5ATM Waterproof: This rating means the watch can withstand pressures equivalent to a depth of 50 meters, making it suitable for swimming.
Long Battery Life: Check for battery capacity and user reviews on battery life.
Health Monitor: Ensure it has sensors for tracking heart rate, sleep, and other health metrics.
Custom Dial: Some smartwatches allow you to personalize the watch face with your own photos or designs.
Remember to check compatibility with your smartphone and read user reviews to get a sense of performance and reliability.