Death's-head earphone for ipod,iphone,mp3 player and mobile phones Death's-head earphone,cute earphone for ipod,iphone,mp3 player and mobile phonesNice and cute designSpecifications:Frequency response: 20Hz~20kHzDrive unit: φ9.0mmimpedance: 16ohmMax voltage:10mWInput sensitivity:90dB/1mWColor:Golden/silverPlug:3.5mm plugWeighing only:35g Death's-head in ear earphone/metal skull earbud