material :PCB+Magnet battry :2*cr927 size :OEM LED colour: white , red,blue, green, yellow,, ect. shape:you can choose :Heart-shaped,circle, flag,beer bottle,etc. LOGO: it can print on the surface ,and then covered by plastic. You can put it on the iron,It will be automatically fixed. Function:it is good for Advertising, promotion, holiday gifts,
entertainment