Specification:_x000D_ Name: Colorful Luminous Glasses_x000D_ Material: acrylic full frame + electronic components, etc._x000D_ Power supply: 2*CR2032 Lihium Battery 3V _x000D_ Color: press the switch to change the next color_x000D_ Size: about 170*170*45mm/6.69*6.69*1.77in_x000D_ Battery capacity: 210mAh (replaceable)_x000D_ Working time: about 60min_x000D_ Switch control: control by pressing the switch, long press to close_x000D_ Lighting mode: colorful constant light/breathing/burst flashing/flowing water/combination_x000D_ Applicable to occasions: concerts, bars, KTV, dancing and other entertainment venues_x000D_ Applicable to people: recommended for children and adults over 12 years old_x000D_ Note: This product has low voltage output, please rest assured to use!_x000D_ _x000D_ Packing List:_x000D_ Luminous Glasses*1 Free 2 Pcs 3V button batteries_x000D_ _x000D_ Note:_x000D_ 1. Do not squeeze or touch sharp objects to avoid damage and scratches on the mirror surface._x000D_ 2. When installing the battery, please pay attention to the positive and negative direction of the battery. If you do not use it for a long time, please remove the battery.