Sennheiser CX 300 II Precision Enhanced Bass Earbuds (Silver) (Discontinued by Manufacturer) Handy carrying pouch Asymmetrical cable reduces tangles Personalized fit in ear Customizable ear adapter system achieves perfect fit. High quality dynamic speaker systems for excellent bass response. Detachable ear cups for pro users High quality dynamic speaker systems for excellent bass response. Personalized fit in ear Customizable ear adapter system achieves perfect fit. Detachable ear cups for pro users Asymmetrical cable reduces tangles Handy carrying pouch