Indigi GSM Unlocked Smart Watch is compatible with Android and iOS operating systems. It connects via Bluetooth through your smartphone. The screen size is 1.54'' OLED display. It has various features like a pedometer, calories calculation, monitors sleep, mileage, weather forecast, stopwatch, and smart alarm clock. Access your social media messages and notifications at your wrist. Also, you can manage your call through this watch. Its camera is 0.3MP and comes with an Anti-lost feature as well. The battery lasts up to 180 hours due to 380 mAh battery capacity. It is widely compatible.