... and well back to normal temperature 2Hplastic partsearlap,Ear cover,ornament,Decorative cover,tail cover,silicon cover.speaker10øImpedance16Ω±15%Sensitivity97dB±3dB @1000HZInput powerMax:10MW ... for nokia ,iphone,samsungExcellent sound quality and super clear sound2In-ear mini design 3. fast delivery4.It suit for mobile phone ...