The product is advertised at $380. However when I select "buy" my options are Halo True (No Keycaps) (-$120.00), MX Blue & Brown RGB (no Keycaps) (-$110.00), leaving the total at $260 or $270. I am not sure what this means? Do i get the keyboard without keys? Am i getting a fully operational keyboard or would I have to purchase keys & switches? Or is this all i need?