... 2013 cheap hi-fi noise-cancelling headphone 1. Stereo voice system, hi-fi output. 2. with interface 3.5mm 3. Soft 2013 cheap hi-fi noise-cancelling headphone Features 1 ... Material: plastic&leather 7.Single res wire, with mic (or not)8.Available color:blue ,white,black, red 9.Cable length: ... may damage your ears3.For traffic safety,never use the headset while riding a bicycle,motor bike,or while driving ...