Bluetooth 2D Barcode Scanner. Big things do come in small packages. Meet the Adesso NuScan 3500CB. This pocket sized barcode scanner weighs at just less than 3 ounces and connects to your mobile iOS/Android devices wirelessly through Bluetooth . With its CCD sensor the NuScan 3500CB is capable of decoding majority of the 1D barcodes that are used in various industries such as UPCs EANs Code 3