Bloom accessory: accessories using LEDs with remote control

People pay attention to fashion for various reasons. Wearable devices are useful in making fashion more expressive, especially by using LEDs, which can dynamically change their color or brightness using logic circuits or microcomputers. In this paper, we describe our design of prototype accessories, which use LEDs controlled via ultrasonic communication. The paper further reports a fashion show using the prototype accessories to make their usefulness clear.