GENERAL - Display: 1.63 Super AMOLED (320 x 320) - Processor: 1.0 GHz Dual Core - OS: Tizen based wearable platform - Connectivity: Bluetooth® V4.0 LE - RAM: 512 MB - Memory Storage : 4GB - Sensor: Accelerometer, Gyroscope, Heart Rate - Bluetooth Call - Notifications: (SMS, E-mail, Apps, Calendar) - Media Controller - Smart Relay - S Voice - Stopwatch - Timer - Weather - WatchON Remote with IRLED Sensor - Samsung Apps - Interchangeable Straps - Certified Dust and Water Resistant3 - Battery: 300mAh, Typical Usage 2 to 3 Days, Low Usage up to 6 days FITNESS FEATURES1 - Heart Rate Sensor - Pedometer - Exercise Coach