Samsung Rugby 4 B780A Unlocked GSM Tough Rugged Durable Flip Phone - Black 2.4-inch QVGA TFT LCD Display, 240 x 320 pixel resolution (167ppi pixel density) OS: MMP / Samsung Proprietary; Bluetooth: v3.0; GPS: Yes, A-GPS (SUPL 2); Processor: Intel XMM6230 Internal Memory: 256MB, 128MB RAM - microSD Up to 32GB Wi-Fi: Wi-Fi 802.11 b/g/n/r 2.4GHz/5GHz; Sensor Type: e-Compass Video Features: 2Mic Noise Suppression; M3, T3 HAC Support; POC PTT| IP67 Certification