Model: DW451 PCBA Model V301 Standard WCDMA/GSM Bluetooth BT3.0 Size 134.5*66.4*9.8mm SIM: SIM Mode 2 SIM Slot WCDMA+GSM Or EVDO FM Support Chipset MSM7227A/1GMHz HDMI (Optional) MHL port Support 720 TV out Color White\Black Operate System Android4.0 TV None Language Multi-Language Band GSM850/900/1800/1900 WCDMA 2100 WIFI Support Standby Time Max. 10 Days Internal Memory 512MB + 4GB GPS GPS+AGPS Talk Time Max. 7 hours External Storage T-flash, max. up to 32G Torch None E-Compass Support LCD 4.5"QHD 960*540 Capacitive Touch G-Sensor Support Distance-Sensor Support Camera Rear 5.0MAF+Front 0.3M (8.0M optional) Tools Calculator/Calendar /Alarm/Email/Browser Light-Sensor Support Battery 1550mAh Multimedia MP3/MP4/Video Rec./Voice Rec. Other Dual Speaker Interface Headset-3.5mm Charger-Micro 5pin Data-Micro 5pin Application Expand by APK files Package Spec. Battery/headset/Data Cable/Charger/User Manual/Gift Box