1.2.4G zigbee 2.1D or 2D barcode ... The 5th Generationoption 2DGPSBluetoothBluetooth SIG version 2.0 compliant; Supported profiles: headset, hands-free, object push, ... altitude sensorsoption 5MS5803-01BA/6.4*6.2*2.88mmacceleration transduceoption 6 External InterfaceUSB HOST/RS232 ... 2, PBOC level 1&2 approval, China UnionPay approved, PCIprinteroption58mm Thermal TypeBattery 2500mAh,7.4v 3.5" handheld 2.4G ...