accessories suitable for ipod,mp3/4/5.Make the music Only melt in the heart instead of in the ears! mp3 accessoriesItem:ds310Cord Length: 1.2m1.5mFrequency: 20-20kHzSensitivity: 108dB/mw 1 kHzRated input: 3mWImpedance: 32ΩPlug: 3.5mm or 2.5mmColour:green,rosy,white,black,yellow