The Amazfit Active 2 features a 1.32-inch AMOLED display, up to 10 days of battery life, and a 5ATM water resistance rating. It includes health sensors like a heart rate and SpO2 monitor, supports over 160 sports modes, and uses Zepp OS 2.0, connecting via Bluetooth 5.2. Key differences exist between the standard and premium versions, with the premium model featuring a sapphire glass display and stainless steel body.