Green Lion Ultimate 10 42MM Smart Watch - Features a 1.85-inch AMOLED display with 390×450 resolution for clear and detailed visuals. Bluetooth 3.0 + 5.1 provides smooth and stable synchronization. The 200mAh battery supports 2 days of active operation and 10 days standby. Wireless charging improves ease of use. IP68 protection helps resist water and dust during daily activities.