So you want to put on a flashy tie? The Lumen Tie not only lets you better express yourself, it can be programmed via Arduino. This smart tie is compatible with iOS and Android devices in addition to smartwatches. It has a built-in microphone to react to your music.
You can change the color of the tie, display custom messages, and play games on this tie. The battery life lasts for 12 hours. This project is currently on Kickstarter.