3 light mode: steady light, strobe, flashing quickly The glasses are suitable for every age group. Big and small everyone has fun with it. such as children (over 8 years), adults, men & women, 70s 80s 90s glasses shine fun, for party, halloween rave ect There is a long cable on the back of the glasses so that you can leave the battery compartment in your pocket or attach it to your belt with the belt clip. Battery operated: 2 AA batteries can be used (not included). Two batteries will definitely last a party night. 4-6 hours for sure. Due to the way the El wire works, there may be a little noise when using the product. Fashion: Super fun and cool when in the bar, dance hall, celebrations, birthday party, wedding, concert, show, Halloween, Christmas, festivals. Product description Color: B EL Wire Glasses are LED party glasses for children and adults. With Voice Control, it's a great product for concert, DJ, disco, club, bar, Halloween, Christmas and other festivals. Powered by battery: Stay alive and glow for between four and fifteen hours depending on the quality of the battery used. Application scenes: Ideal for parties, festivals, raves, concerts, weddings. Black frame with transparent glasses, offer excellent visual impact at night. Warn When the glasses light up, the adapter will beep to remind you. Constant beeps mean the glasses are always bright. Beeps temporarily means that the glass is flashing. The beeps are soft. Put the adapter in the pocket, other people will not hear any beeps. This is not a quality problem, it is a special design- Contains battery compartment (batteries not included). - If you press the button, you can select the light mode. - 3 light modes: continuous light, up to flashing or strobe. Product specifications: Material: ABS Product Dimensions: 14.5 * 5.5 * 15cm Battery: 2 * AA batteries (not included) NOTE: Not waterproof. Package contents: 1 x EL Wire Luminous Glasses Note: The battery must be replaced after 5-10 hours of operation.