1. With a bead in the middle of the glass and we can press the button on the bottom of cup to turn it on or off
2. Colors of the LED light: red, blue, jade, yellow, multicolor
3. 3 flashing ways with replaceable batteries: fast-flashing, slow-flashing
    and stay-on for single color, 8 flashing ways for multicolor
4. Many body colors available
5. 4 kinds of flashing cups available: flashing champagne cups, flashing wine
    cups, flashing martini cups and flashing margarita cups