DUOQIN1S+ AI 4GMobile phone (black)

screen size 2.8inches resolving power 240×320 height 132mm width 53.8mm thickness 8.5mm CPU binuclear A53 Platform SC9820E operating system MOCOR5 Running memory 512MB FUSELAGE MEMORY 4G MICROSD CARD 32GB STANDBY TIME 7 DAYS WIFI SUPPORT WIFI HOTSPOT SUPPORT BLUETOOTH 4.2 SUPPORT GPS SUPPORT VOLTE SUPPORT BATTERY 1480mAh authentication 3C certification EU certification CE NETWORK BAND 2G GSM 2/3/5/8 3G WCDMA:BAND 1/2/5/8 4G FDD(BAND1/B2/B3/B5/B8) 4G TDD(B34/B38/B39/B40/B41(100M)