Inspired by the iconic design creations of Paul Frank Industries, Skullcandy drops a Skull+ collaboration that is sure to delight those with a youthful, fresh approach to just about everything. Skullcandy pluse Paul Frank equals Happiness. Features; 9mm Power Drivers Satin Carry Pouch 3 Silicon Gel Sizes Specs; Speaker Diameter: 9mm Magnet Type: NdFeB Frequency Response: 18-20k Hz Impedance: 16 ohms Cable Type: Flat Cable Cable Length: 1.3m Plug Type: 3.5mm Gold Plated