Portable scanner with bluetooth transmission Func

portable scanner with bluetooth transmission Function Product Size(LxWxH) 256X30X31mmFunctionPORTABLE SCANNERSensorA4 Color Contact Image SensorResolutionStandard resolution : 300x300 dpi(default); High resolution: 600x600 dpi;External memory cardSupport Micro SD card up to 16GBFile formatJPEGLCDscanning status displayAuto Power Off3MinuteMaximum Scanning speedColor High resolutionColor Low resolutionMono High resolutionMono Low resolution13 Seconds3.0 Seconds6.0 Seconds2.0 SecondsScanning width and lengthScanning widthScanning Length8.27"300DPI: 50"(Max)600DPI: 25"(Max)Capacity (Based on 1GB Micro SD,Scan A4 size file, the quantity of picture is various and depend on the content complexity)Color High resolutionColor Low resolutionMono High resolutionMono Low resolution323 Photos(Min.)1190 Photos(Min.)372 Photos(Min.)1320 Photos(Min.)White balanceAutoUSB PortUSB 2.0 high SpeedSupport systemDriver free to download for Windows XP SP2 /Vista and Mac 10.4 or abovePower source2xAABattery life (Test method:Scan one photo→wait for 5 seconds→Scan next photo→wait for 5 seconds, so repeatedly )2xAA Energizer Alkaline batteries2xAA Energizer Alkaline batteries2000mAH AA Rechargeable batteriesScan Color180 Photos(Min.)250 Photos(Min.)Scan Mono200 Photos(Min.)300 Photos(Min.)weight164g without battery; 212g with battery;