These devices have the potential to be used for music streaming, GPS, informatics, charging electronics, and green energy. Additionally, these devices can be of different sizes ranging from a couple of square inches to square feet so that they can be conveniently worn on the exterior of everyday clothing, such as a shirt collar or scaled up. In addition, the design is activated and controlled by simple touch, such as for playing music.

Related Links/Source

https://licensing.prf.org/product/washable-flexible-self-powered-e-textiles