... .-variety:EL cold light cap, EL shine cap, EL shine travelling-cap and EL flash golf cap, semi-sphere cap.-colour:various colour(main ... brushed cotton, brushed cotton.-power:1* CR2032 button battery.-cap style:men, women.-Size:adjust by hand.-advantages:light, no ... rays, long lifetime.-usage:parties, bars, fields, vocal concert, sport game etc.-packing:40pcs/ inner box240pcs/CTN/60X48X51CMNW/GW:21 ...