... 50-60Hzoutput:5V 2AO.S.Android 1.5Application soft wareGoogle Search / Browser /Camcorder/camera/Email/GmailVideo Player/Audio Player/Alarm Clock /Apk / ... ,WMA,APE,FLAC,OGG,WAV Frequency response: 20Hz to 20000HzVideo Player AVI, MKV(XVID/px/H.264), MOV, TS, M2TS, ... 5 x 37 cm with 10pcs weight:10KG Android System,Gravity Sensor,Google Map,WIFI,Card Reader,Touching Screen,7inch touch screen MID ...