More gadgets like this: here
Here is a fun, colorful tie with Bluetooth control that lets you change its colors and patterns from your Android device. The Chroma Wear RGB Bow is made using 34 RGB LEDs. It is controlled by an Arduino microcontroller. It can run about 5 hours on battery.
To get started, download the app, pair your bow tie to your smartphone, and you are ready to go.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.