Jstyle 2206 smartwatch features a 1.78-inch AMOLED display, 5 ATM water resistance, not suitable for swimming, and advanced health monitoring including blood pressure, heart rate, and SpO2 tracking. It supports Bluetooth calls, social media notifications, and is compatible with iOS and Android. With a 240mAh battery, it offers 7-10 days of battery life and includes practical functions like sleep tracking, alarm clock, and music control.