This customizable BT LED glasses are ideal for creating a romantic or a fun mood on many occasions. You can customize the pictures showed on the glasses surfaces via APP. It is great for Halloween parties, family parties, stage performance, graduation parties, etc. Features: Customizable BT LED Glasses: You can customize the pictures (31 animations and 11 patterns and support for DIY) showed on the glasses surfaces. Connect the glasses and APP via BT to customize the pattern you want. Ecofriendly Material: Environmentally friendly, durable, safe, and nontoxic ABS housing give smooth opening and closing. The bright LED bead possesses low energy consumption and longserving life. DIY Image: 3 kinds of brightness brushes for you to draw any patterns you want and display them in realtime. Just make your own creative graffiti lights. Music Rhythm Mode: In rhythm mode, the glasses can recognize other external sounds to accomplish various lighting effects. Widely Used: The LED glasses are ideal for creating a romantic or a fun mood on many occasions, such as Halloween parties, family parties, stage performance, graduation parties. It is a creative gift for your family and friend. Aftersales Service Guarantee: Any problem, please contact our store without hesitation. Honor to serve you Specifications: Item name: LED Glasses Main material: ABS Glasses color: Black LED bead type: 0603 Input voltage or current: 5V or 1A Charging time: 2h Use time: 5h Battery: 3.7V 180mAh Lipolymer battery (included) Item size: 16 x 11.5 x 5cm (glasses legs is unfolding) Package Information: Package size: 18.6 x 7.5 x 4.8cm Package weight: 163g General box packing. Note: x There could be a few deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Packing List: 1 x Glasses 1 x USB Cable 1 x User Manual