∵Flashing Ice Lump( RoHS ,FDA , EU foodstuff Safety Report, CE approval ) :

•  Switch on/off function by your hand for energy saving. First press, the ice flash fast; Second press, flash slowly; Third press, lighted statically; Fourth press, off. 
  
• Many flashlight mode
  Flashing Ice Cubes are great! With flashing ice cubes, you'll turn any ordinary night into a party night. those are used at parties, night clubs, bars, restaurants, during corporate events, wedding receptions, on romantic dates and more! Several flashing LEDs flash or glow within the cubes, creating an incredible effect in drinks or punch bowls .People love them because they're brilliant, stylish and fun.