Earphone glows in the darke and it can be used with any music player, including mobile telephone,computer,MP3,MP4,radio etc. Model: WY-ELI-ESCProduct name: "Mulit" EL wire Flash Earphone1.Color: Blue/Pink/ Lime Green/Orange2.Power:Rechargeable Lithium battery.It can be charged with computer USB power and other power. Rechargable power: 5VDC~8VDC, 200mA~500mA3.Function:Constant Light& Sound ...