... -in button cell , can continue about 15 hours, replaceable.7) Light color : red , yellow , green and blue, colors switching .8) FOB Ningbo ... price : $ 0.9-$1.3/ pc ( with color box , no logo imprint) Apreataurant,home docoration,cabaret, bar, other ... of amusement for decoration and interspersionplicable areas: Club,KTV,hotel. light cup