We can offer you the SDK file, then you can use it to program for your own application .

Try to adjust the input method to the English input state. If you can't solve it, you can contact the after-sales service.

The range of identification barcodes is determined by the size and density of the barcode. See the technical data sheet of the product for details.

Just search for "BT x6 d" via app store 

If you need such msr, we have one type named MSR100 , it meets such needs.

If your data is with some non-standard characters, the card reader may not be able to read it. However, the identification of special characters is achieved through customized products.