Use the Hyper Blaster HD on your RetroN 2 HD or RetroN 3 HD using this adapter. Plug the adapter into the controller port, then plug the Hyper Blaster into the adapter.
On Sale! Choose Options 3.8mm or 4.5mm Game Cartridge / Console Security Bit $3.99 $2.49 Choose Options
On Sale! Choose Options Pixel Art Acrylic Universal Controller Display Stand - Hyperkin $11.99 $7.00 Choose Options
On Sale! Choose Options CLASSIQ II - HD compatible Nintendo / Super Nintendo Console $68.99 $40.00 Choose Options