Name: Colorful Luminous Glasses Material: acrylic full frame + electronic components, etc. Power supply: 2 button batteries Color: press the switch to change the next color Size: about 170*170*45mm/6.69*6.69*1.77in Battery capacity: 210mAh (replaceable) Working time: about 60min Switch control: control by pressing the switch, long press to close Lighting mode: colorful constant light/breathing/burst flashing/flowing water/combination Applicable to occasions: concerts, bars, KTV, dancing and other entertainment venues Applicable to people: recommended for children and adults over 12 years old Note: This product has low voltage output, please rest assured to use! Feature: Draw Attention: It is definitely an eye-catching glasses that will draw attention in event, party, carnival or club. Wearing Comfort: When designing glasses, we have made wearing comfort a priority. The lenses extra padding and the molded nose pads make you comfortable. Two LEDs on Each Arm: The location of two LEDs on each arm makes it the perfect support for cyberpunk look. They emit light from the lens. Suitable for All Occasions: Can be used for role playing, parties and all occasions. Packing List: Luminous Glasses*1 (Including 2 Button Batteries) Note: 1. Do not squeeze or touch sharp objects to avoid damage and scratches on the mirror surface. 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.