const uint8_t kbd_manufacturerName[] = {
  0x22,                   //bLength: length of this descriptor in bytes (34)
  USB_DESC_STRING,        //bDescriptorType: string descriptor
  'P',0,'r',0,'e',0,'s',0,'s',0,' ',0,'A',0,'n',0,'y',0,' ',0,'K',0,'e',0,'y',0,' ',0,'U',0,'G',0 //bString[]: String (UTF16LE, not terminated)
};
Posted in USB.