Samsung Galaxy Smartwatch 46mm Silver GPS Fitness Track Dust Water Resistant Samsung Galaxy 46mm Smartwatch Dust and Water Resistant 1.2" Super AMOLED Display (360 x 360) Dual Core 1.15GHz 4GB Internal Memory Tizen OS Bluetooth 4.2 and WiFi 802.11 b/g/n 2.4 GHz GPS Glonass Navigation Accelerometer, Barometer, Gyro Sensor, HR Sensor, Light Sensor Track your fitness Receive and respond to calls, texts, and more Compatible with Android and iOS