Dear: High Quality，wish you like it! 100% Brand New.Color: BlackSpeaker Width: 7cmHeadset height: 18cmCable length: 1.7 mDriver Unit: 40mmCommunication: WiredImpedance: 32ohm±15%Sensitivity: 120dB±3dBFrequency response: 20-20000HzMax input power: 50mWMic frequency range: 20-20000HzMic sensitivity: -58dB±3dBPlug: 3.5mm3.5mm plug compatible with any music device using 3.5mm port， including desktop，  notebook， player， MP3/MP4， cellphone， ipad， tablet， and etc.Hi-Fi Speakers， was developed with the ideal of sound quality.The brief and fashion design and exquisite from Europe.Soft cushioned earplugs for maximum comfort.Full vegetable tanning material， comfortable for wearing.Extreme lightsome body， sharply reduce the burden of a long time wearing.Adopt sound smart microphone noise cancelation tech.1 x 3.5mm Port Stereo Headphone