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. 

Audio usage
• Devices with 3.5 mm audio jack
(Works with most portable audio/ mobile/ computing devices including the iPod, iPhone, iPad, Kindle Fire, Android phones, Razer Blade, MacBook Pro, or today’s newer Ultrabooks.)