Omniterm Smart Features ParametersInfoProcessorMTK MT6580M Quad-Core 1.3GHzMemoryRAM: 512MB DDR2FLASH: 4GB Nand FlashDisplay Screen4.5 inches LCD screenTN 854 X 480 resolutionOperating SystemAndroid 5.1KeyboardVirtual keyboardPower SupplyBuilt-in Lithium cellCharge Time3 hoursSIM CardSupportGSMGSM 900/1800 WCDMA 900/2100Loudspeaker*1MICSupportHeadset*1Multiple AppsSupportWi-FiSupportPhotographSupportBluetoothSupportibeaconSupportIrDANot SupportBar CodeCameraQR CodeQR Code , PDF417RFIDNot SupportWorking Temperature0-45℃Relative Humidity<90%IPIP54Shockproof<=1m Features Processor supports running smoothly with 10 apps concurrently High power lithium battery supports 8 hours working Dark screen realizes 10+ days standby 3 hours only from 0 to fully charged Handy plugin charging design. Better protect battery 4.5 inches large screen Android operating system Super sensitive scanning head can quickly identify QR code within 0.7 second Supports take photos Ergonomic design. Drop resistance