Razer's Hammerhead Expert Analog Gaming & Music In-Ear Headset is perfect for portable gaming audio. The headset is made from light-weight aluminum for durability and convenience. The headset incorporates two 9mm neodymium motorists with a smooth, brushed shell. Consisted of are interchangeable ear-tips in three sizes, in addition to an optional pair of bi-flanges for added sound seclusion and bass response. A bring case is consisted of for maximum portability.