led drink water galss

1) Volume: 300ML.
2) Functions: a switch at bottom, press once to activate fast-blink,  2 times for slow-blinking, 3 times for steady-light and 4 times to turn off.
4)Can print your logo,
5)mouth diameter:8.6cm,bottom diameter:6.6cm,high:15.5cm

it is a promotional gifts, it used to bar ,party and most big concert

it will let your dark night shin.
it will let your moon bright
it will let your buy them automatically