... Light sensor Gyroscope Additional function :user profiles, call center, schedule power on/off, file manager, image viewer, calculator, exchange rate ... world time, calendar, alarm, electronic dictionary, stopwatchMessage :Support for MP3, MP4,GPS WIFI bluetooth. T-flash card, USB Support G sensor ... 1*manual G20 cell phone MTK 6573 android 2.3 3G WCDMA+GSM 3.5 inch touch screen GPS TV WIFI dual sim dual ...