Create Roblox-style headphones designed to properly fit a standard Roblox avatar head. The headphones should match the proportions of the classic Roblox R15/R6 head shape, with correctly sized earcups that sit on the sides of the head and an adjustable-looking headband that curves naturally over the top. Keep the accessory centered, symmetrical, and scaled to Roblox accessory guidelines."Chismas themed