... ,optional 1D scaner, rfid,camera,gprs 3)4000battery SPECShandheld pda with thermal printerOSCPU WINCE5.0,MOBILE6.0, support different global languages ... /1800/1900MHz,CDMA-EVDO or WCDMA (optional)supportPower BatteryCharging methodCharging time Rechargeable 3.7V,4000mAH battery Enclosed power supply,separate seat ...