... Bluetooth-GPS-WIFI Main Features* 4.5inch IPS 960x540 Capacitive multi touch screen* MTK6577 1GHZ Dual core* 1GB RAM + 4GB ... 0mp Phone ModelAmoi N821Display4.5inch IPS Capacitive 5-Point touch screen, 960*540 pixelsSignal ModeGSM/GPRS/EDGE/WCDMA ... support A-GPS and voice navigationWapYes, WAP 2.0SensorsSupport Gravity Sensor, Proximity Sensor, Light SensorMulti-MediaAudio: MP3, WMA, OGG, AAC, ...