1,mix star headphone 2,colorful headphone 3,earphone 4,for mp3,computer 5,Color:red,yellow,green 1,mix star headphone2,colorful headphone Product specifications:Type: wearing airtight modelDriver: 40MMSensitivity: 100dBFrequency response range: 500-2000HZMaximum input power: 0.2 WImpedance: 32 ohmMaterial: ABS engineering plasticsPlug: 3.5 MM, gold-plated