Music is your energy for life - the fuel for your heart and soul.SonicFuel headphones are specifically designed for active, daily use, to power you forward by delivering extraordinary comfort, style and an immersive listening experience that never sounds artificial, processed or filtered. Just pure sonic goodness for the high-octane tempo of your life.The ATH-CKX5 SonicFuel in-ear headphones feature stay-in-place fit, providing unique comfort in addition to optimal sound.The C-tip configuration nestles within the ear where it locks in place for extra stability.A 360 rotating eartip adjusts to the unique angle of your ear canal for personalized fit and improved sound isolation.Box Contains Includes carry pouch eartips & C-tips