Specifications: Made of high-quality ABS material, the glasses are durable and lightweight. High-quality stripes can provide excellent visual effects and have a longer continuous brightness time at night. Normal adult size is comfortable to wear. It is easy to see and the light has no effect on eyesight. The cool and charming appearance makes you the star of the party. The glasses are ideal for parties, shows, carnival concerts and festivals. It can be used for indoor and outdoor night performances and activities. The separately designed battery pack and glasses can be easily installed in your pocket and fasten to your clothes or belts, bringing you a long-term pleasant experience without causing trouble. Item Type: LED Glasses Material: ABS, Electronic Components, Silicone Battery Capacity: 180mah (Included) Charging Input: 5V 1A Light Beads: 0603 Type Light Bead Quantity: 200 LEDs Charging Time: 1 Hour Working Time: about 5 Hours Features: Shutter Glasses, Durable, Rechargeable, Party Supplies Size: 16cm x 5cm/6.3" x 1.97" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x LED Glasses 1 x USB Cable 1 x User Manual Made of high-quality ABS material, the glasses are durable and lightweight. High-quality stripes can provide excellent visual effects and have a longer continuous brightness time at night. Normal adult size is comfortable to wear. It is easy to see and the light has no effect on eyesight. The cool and charming appearance makes you the star of the party. The glasses are ideal for parties, shows, carnival concerts and festivals.