Product Details:Packing: YesStyle: HeadbandControl button: YesWith microphone: YesLine length: 1.2 metersPlug type: 3.5 mmCommunications: WiredPlug type: wire typeVocal principles: Mixed techniquesFunction: noise reduction, microphone, cell phone,Frequency range: 20-20000(Hz)Impedance: 32(Ω)Sensitivity: 42 decibelsFeatures: For mobile phones, HiFi headphones, iPods, regular headphones, exercisePackaging Information:1*Kid Headphone