Quick and easy app installation: Free app installation connects your device to smart Bluetooth devices, supports Bluetooth functionality, and allows for instant installation and personalization. Features include: High-power RGB LED chip, high-brightness 1010 full-color display with a resolution of 12*36 pixels and 432 dots. Displays text, graphics, animations, and an equalizer. Supports multiple languages, including English, Spanish, Chinese, Japanese, German, French, and Korean. Express yourself: Features include custom text; you can enter any information you want, as well as draw graphics, play animations, and use the equalizer. Character input: 20 Chinese characters / 40 English characters. Wear it to parties, concerts, clubs, bars, pubs, or just out and about to stand out. They are ideal for parties, shows, rave parties, and music festivals. USB charging: The built-in rechargeable battery is hidden within the bright LED lens, providing approximately 5 hours of battery life on a full charge (approximately 3 hours of charging time). Can be charged via adapter, power bank, computer, etc. Input voltage and current must be 5V/1A. The red indicator light will illuminate during charging and turn off when fully charged. Perfect Gift: This shiny neon mask is made of high-quality ABS plastic and produces no UV rays or radiation. It features 432 built-in soft-light LEDs for perfect visual effects and longer-lasting nighttime illumination. Portable, durable, and lightweight, it's the perfect gift for a child. Wearing it, you'll be the center of attention and star of any party.