Made with high-quality PU material and electronic components, this bracelet is perfect for concerts, parties, and events. Its inner diameter measures 2.4″ while the outer diameter is 2.7″. The bracelet features a high-frequency fast flash effect that adds excitement to any occasion. It comes with three AG button batteries already installed. Choose from a variety of vibrant colors or explore custom options to match your unique style. Get ready to light up the party with our LED bracelet!