Features; Enhanced 40mm Power Drivers DJ Articulation Lightweight Stashable Design Folding Construction Soft Leather-touch Ear Pillows Specs; Speaker Diameter: 40mm Magnet Type: NdFeB Frequency Response: 18-20k Hz Impedance: 32 ohms Max Input Power: 400mW Cable Type: TPE Cable Length: 1.2m Plug Type: 3.5mm Gold Plated