Bullet Points: 1、Easy to Use: USB charging mode, 10 patterns to switch freely, just press the button. Easy to use. 2、4 Colors: 4 colors, colorful and gorgeous, no radiation, provide perfect visual effects and continuous lighting time at night. 3、Power Supply: USB power supply mode, can be used up to 8 hours after fully charged, portable and long use time. 4、Wide Application: The LED flash glasses make you stand out at the party. Suitable for Halloween, Christmas, parties, holidays, birthday parties, music concerts, shows, nightclubs, weddings, etc. 5、Durable and Lightweight: Durable and lightweight, the best gift for children. Specification: Size: about 150*155*52mm/5.90*6.1*2.05in Packaging size: about 170*57*40cm/66.93*22.44*15.75in Material: ABS plastic USB charging: 5V/1A Battery capacity: 180MAh Lamp beads: 0603; quantity: 164 Applicable people: unisex Packing List: 1*Luminous Glasses