Smartwatch – 1.75″ AMOLED display – Resolution 390×450 pixels – Touchscreen – Storage capacity 0.002 GB – Compatible operating systems: Android 7 or later, iOS 14.0 or later – Compatible devices: Android Apple – Bluetooth 5.2 – GPS – Microphone – Speaker – Functions: Voice assistants: Amazon Alexa, Offline voice assistant, Zepp Pay, 120+ sport modes, heart rate and stress activity recording, 5-satellite positioning system, smartphone notifications. Vibration – Sensors: Health: BioTracker 3.0 PPG biometric sensor (2PD + 2LED) Motion: Acceleration sensor, Gyroscope, Geomagnetic sensor, Ambient light sensor, Temperature sensor. Battery 300 mAh – Autonomy 336h – Magnetic charging type – Charging support – Interchangeable strap – Aluminum + plastic case – Waterproof – Water resistant up to 50m – Touch screen: Tempered glass 341ppi.