Beautiful Light Up Bubble Bangle delights at any event or occasion. Mini bubbles in the acrylic make for a stylish visual as they reflect the color-changing LEDs at a soothing tempo for that chill vibe. Imprint for branding purposes is available on the battery housing. A fun accessory for: Festivals, Concerts, Birthdays. To activate your Light Bracelet, remove the pull and slide switch on the battery housing for a Slow Color-Change light function. Comes ready to use with 3 replaceable AG13.