The Razer Hammerhead has been re-designed from the ground up with an all-new body design and flat-style cables to further complement the mobile gamer in you. 10 MM EXTRA-LARGE DYNAMIC DRIVERS FOR STELLAR AUDIO FIDELITY Experience superior acoustic clarity and improved bass performance through the upgraded extra-large 10 mm dynamic drivers, over 20% larger than the original Razer Hammerhead, featuring an optimized inner acoustics chamber. ALL-NEW BODY DESIGN WITH FLAT-STYLE CABLES FOR TOUGHNESS ON THE GO The Razer Hammerhead complements every style while retaining its signature durability factor. Designed with a high quality body to enable improved acoustics, the new flat-style cables also facilitate fuss-free mobility and easy storage while you're on the move. ENHANCED PASSIVE NOISE ISOLATION WITH BI-FLANGE TIPS Accompanied by three interchangeable ear-bud sizes and optional bi-flange attachments, the Razer Hammerhead offers resolute passive sound isolation and comfortable fit options for all your gaming and music needs.