Quick and Easy Installation: Through the free app, you can connect your glasses to your smart phone via Bluetooth, Bluetooth enabled to connect to the App and instantly customize your messages, APP can support above Android 4.3 and 7.0 versions. Functions Include: Adopt high power, high light full color 1010 RGB led chip,12*36 pixels total 432 dots. Text, Drawing, Animation, and Equalizer display, Multi-language Support Included English/ Spanish/ Chinese/ Japanese/ German/ French/ Korean etc. Express Yourself: Functions include customizable texts, write any message you want, drawings, animations, equalizer. Input characters,20 In Chinese / 40 in English. You Be Eyesight When You Wear It On Party, Concert, Club, Bar, Pub, Roadside, it is fun compatible parties, shows, rave concerts and festivals. USB Rechargeable: LED Shining Glasses built-in rechargeable battery, working time around 5 hours when fully (3 hours), can be by adapter, power-bank, computer, etc. Input voltage and current must be 5V/1A. When charging, you will see red indicator light, when full , red indicator light will be turned off. Gift: Flashing neon rave glasses is made of high quality plastic (ABS), no UV no radiation, include 432 soft LED, offers perfect visual effect and longer continuous glowing time at night, , portable, and , it will be the gift compatible your kids, once you own it, you will be the-focus and at the party. Colour: black Material: ABS+plastic Size: 435x430x376mm Package Contents: 1 * Luminous glasses 1 * English manual 1 * USB charging cable 1 * Storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.