Samsung Galaxy S 4 Active Smartphone, Gray Isis (Unlocked): Sound and Music: * MP3 player * MP3 ring tones * Vibration alerts * microSD slot * Voice memory and dial Mobile Features: * Unlimited entry phone directory * Photocall * Bluetooth v.4.0 + apt-X * LTE: Bands 2, 4, 5 and 17; UMTS: 850/1900/2100MHz; GSM/GPRS/EDGE: 850/900/1800/1900MHz * microUSB 2.0 port * WLAN: 802.11 a/ac/b/g/n * Android 4.2 (Jelly Bean) OS * 8 megapixel rear-facing camera and 2 megapixel camera * Video capable Technical Profile: * Talk time: Up to 17 h * Standby time: Up to 13 days Display: * 5" 1080p Full HD display featuring Gorilla Glass * Resolution: 1920 x 1080 Full HD * QWERTY touchscreen keyboard Messaging: * SMS and MMS * Email * Instant messaging Included: * Battery * USB cable * Charger