... . CE 5.0 operation systemRS232,USB, GPRS, WIFI, Bluetooth communication optional128M+128M memory built in, support Mini SD card ... Matrix 2/5, CODE 93, CODE 11, China Postage, MSI/PLESSEY. )ELECTRICALBattery3.7V 3200mAh Li-ion batteryStandby Time≥ 120 hoursScan ... include standard battery)Hand StrapLocated at the back of the device for secure hand gripENVIRONMENTALVibration Proof2,000 +/- 5% GOperating ...