This is a Ghost K1 Pro gaming keyboard and M1 mouse set in collaboration with Pewdiepie, it included the collectible tambourine case and extra red key switches set (-1), this is in almost new condition and was never used as a gaming keyboard, it was purchased opened once and put into a closet. The mouse and everything is included, even the manuals and key cap tool. The case is in perfect condition and was only a little dusty.
eBay