In the New World Order of audio fashion, the Skullcandy G.I. is your invitation to join the ruling coalition. Don't let anyone mistake your kindness for weakness. 40mm speaker Frequency range: 100 – 18,000 Hz Impedance: 50 ohms Max input power: 400mW Cable type: OFC Cable length: 1.2 M Plug type: 3.5mm gold plated Skull Candy