... data collect, storage function; 2. Full-featured with Bluetooth, WIFI, GPS, GPRS,2D Barcode, 1D Barcode, Camera3. Exceptional ergonomics ensure comfortable usage ... ROM,128MSDRAMTF card can expand memoryStandardRFID(2.4G)+ WIFI +BluetoothOptionalGPRS,GPS,1D Barcode,2D Barcode, CameraPower Supply3.7V(lithium battery) supply ...