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 Apple 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.LED Glasses DIY Express Yourself: Functions include customizable texts, write any message you want, drawings, animations, equalizer. Input characters20 In Chinese / 40 in English. You Be Catch More Eyesight When You Wear It On Party, Concert, Club, Bar, Pub, Roadside, it is fun for parties, shows, rave concerts and festivals. USB Rechargeable: LED Shining Glasses built-in rechargeable battery, working time around 5 hours when fully charged(3 hours), can be charged by adapter, power-bank, computer, etc. Input voltage and current must be 5V/1A. When charging, you will see red indicator light, when full charged, red indicator light will be turned off.