Screen Size: 1,43 inch AMOLED Color Screen Type Resolution: 466 x 466 pixels (~326 ppi density) iOS and Android-compatible connectivity GPS-supported, NFC-supported, Bluetooth 5.2 Sensor Accelerometer, Gyroscope, Magnetometer, Optical Heart Rate, Barometer, Memory Temperature: 4 GB Dimensions: 46.6 x 47.6 x 10.9 mm Weight: 54 g