SAMSUNG GALAXY WATCH ACTIVE 2 AL BLACK BT 44MM Color Black Display 1.4 inch Super AMOLED(360x360) with 16M Color Depth Operating System Tizen Processor Dual-Core 1.15GHz Memory 0.75GB RAM, 4GB ROM. Available Memory (GB): 1.4 Network/Bearer Wi-Fi Only, Bluetooth only Connectivity GPS,Glonass, Beidou, Galileo, NFC, Bluetooth V5.0 , Wi-Fi 802.11b/g/n 2.4GHz Sensors Accelerometer,Barometer,Gyro Sensor,HR Sensor,Light Sensor. Battery 340mAh, No- Removable Water Resistant Yes