Here is a Bluetooth enabled tie that you can control from your smartphone or smartwatch. The Lumen Tie lets you change its pattern, scroll custom text messages, play games, and adjust its brightness from your iOS or Android device. It is also Apple Watch, Android Wear, and Pebble watch friendly.
This tie has an integrated microphone to react to sounds. It is programmable via Arduino. The battery life lasts up to 12 hours. You can get yours here.