Description Dimensions : 41.5 x 41.5 x 11.2 mm (1.63 x 1.63 x 0.44 in) Build : Glass front (Gorilla Glass DX), stainless steel frame 316L or titanium frame IP Rating : 50m water resistant (IP68) Display Type : Super AMOLED Display Size : 1.19″ Display Display Resolution : 396 x 396 pixels (~330 ppi density) Internal : 16GB 1.5GB RAM Loudspeaker : Yes Bluetooth : 5.0, A2DP, LE Sensors : Accelerometer, gyro, heart rate, barometer Battery : Non-removable Li-Ion 247 mAh battery Charging : Qi wireless charging