stardrift in Ear Night Luminous Earphone Universal Wired Earbud with Line Control Built-in Microphone Fits All 3.5mm Plug Mobile Phone Compatible with iPhone Samsung Nokia HTC (purple) Luminous cable(fluorescence cable) with metal in-ear housing, Luminous at night time. Built-in microphone with Line Control function,can answer/hang up the calls,play/pause the music,choose next/previous song With N/I switch,Universal fit all device with a 3.5mm audio jack Cable Length :1.2M Luminous cable in the dark,very suitable for night walking,running,exercise