Denon AH-C710. Headphones: intra-aural, 5 - 25000 Hz, 110 dB, 16 Ом, 11.5 mm, dynamic, neodymium. Connectivity: Wired, 0.7 m, Gold. Colour: Silver. Weight & dimensions: 5.6 g. Packaging content: 0.8m. Other features: 0.250 W