Specs Driver Type: Dynamic, Closed Driver Unit: Φ15 mm (5/8”) Impedance: 28 ohms Maximum Input: 30 mW Sound Pressure Level: 106 dB Frequency Response: 20 Hz – 20 kHz Cable Length: 1.2 m (47-1/4”) Connectors: 3.5 mm (1/8”) L-type mini stereo, 6.3 mm (1/4”) stereo