Don"t give away your smoking jacket just because you own a pair of Skullcandy Full Metal Jacket ear buds. The FMJ features an inline mic with a one-button call control that can take and end calls as well as work with Apple devices to play and pause your music, and track forward and back. Skullcandy"s FMJ earbuds come with three separate sizes of silicone eartips (small, medium, and large) to help you get the perfect fit to go with your sound.