... Optional),5.5"QHD screen,960 x 540 pixels,Equipped with the Android 4.1.1 OS,WCDMA/GSM,four-bands , Mobile AP,wifi,GPS+ ... mAh lithium ion battery Slim leather case(Optional)Equipped with the Android 4.1.1 OSGPS+AGPS global positioning navigation system3G,WIFI 802.11b ... -150 (Unit:Mins)Standby time:120-180 (Unit:Hour)Phone book:1000 GroupSMS/Color message:SupportHeadphone jack3.5MM standard interface ...