Features:* Made of high-quality Polyvinyl chloride(PVC) material.* High-quality EL wire provides excellent visual effect and longer continuous glow time at night.* Regular adult size and comfortable to wear. Easy to see out of, and the lights have no impact on vision at all.* Three models, constant light up, flashing light, continuous quick flashing light.* Cool and attractive appearance, make you become the star of parties., it is fun for parties, shows, rave concerts, and festivals.* Can be used on both indoor and outdoor night shows and activities.* Battery pack and eyeglasses separated design, can be easily tugged inside your pocket, clip-on clothing or belt, giving you a long hassle-free enjoyable experience.How To Use:Step 1:Press the button to turn on the LED function and the light will constantly light up.Step 2:Press the button again for the slow flash.Step 3:Press the button once again for a continuous quick flashing lightStep 4:Press the button a fourth time to turn it offSpecifications:Material: Polyvinyl chloride(PVC)Voltage: 1.5V DC(2 x AA Batteries,not included.)Frame Length: Approx 15cmFrame Height: Approx 5cmTemple Length: Approx 15cmCable Length:100cmPackage Included:1 x EL Wire Glasses(with battery pack and wire, the battery is not included.)Note:1. Do not pull the cable between the glasses and the battery pack either forcefully or frequently or it may fall off the glasses.2. Be sure to use the pack fixed, rather than free hanging, and make sure the cable is not stretched too tight.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item.