led flashing cup for bar 1,can change color 2,4 flashing mode slow:only blue,only green,only red,multi color 3,party gift led flashing cup for club , led plastic cups , custom led flashing cup 1,can change color 2,4 flashing mode slow:only blue,only green,only red,multi color 3,this cup for club ,party ,dancing ,festival and so on 4,battery included custom led flashing cup for bar