Green Lion Tech Master Smart Watch - The 1.43-inch AMOLED display with 466×466 resolution delivers vibrant and detailed visuals. Bluetooth BT 3.0 + BLE 5.3 ensures smooth connectivity with smartphones. The 400mAh battery supports 3–5 days of active use and up to 10 days standby. Aluminum body construction provides a durable premium design. IP67 water resistance helps protect against splashes and dust.