Green Lion Infinite Pro SmartWatch. This smartwatch features a 1.43-inch AMOLED display with a resolution of 466x466 pixels. It has a 250mAh battery that provides 2-5 days of working time and up to 15 days of standby time. It connects via Bluetooth 5.3+3.0 and supports features such as music control, call and social notifications, and Bluetooth calls. Key Features Display: 1.43-inch AMOLED with 466x466 resolution and an always-on display feature. Health and Fitness: Activity tracking, multiple sport modes, heart rate monitoring, blood pressure monitoring, and sleep tracking. Connectivity: Bluetooth 5.3+3.0 for calls and notifications. Water Resistance: IP67 waterproof rating. Battery: 250mAh battery with 2-5 days of working time and 15 days of standby time.