Skullcandy SMGIBX-34 Combat G.I. SGS 360 Boom Mic for Xbox (Discontinued by Manufacturer) Speaker Diameter: 40mm, Magnet Type: NdFeB Frequency range: 18 -20K Hz Impedance: 50 ohms, Max Input Power: 400mw Cable Type: OFC, Cable Length: 1.2m , Plug Type: 3.5mm Gold Plated SGS headphones are not compatible with HDMI (High-Definition Multimedia interface) cables and can only be used on the XBOX 360 gaming console