Cheap And Discounts USB Type C to Serial/RS232/DTE/COM/IOIOI Interface Convert/Adapter/PCB for POS/Card Reader/SBC/Demo/ARM Config/Prog/Console Kits Wholesale. Buy Directly From Merchant Sinforcon, cable assemblies in China. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.