Sensor linked to a smartphone and in use (IMAGE) Hokkaido University Caption The sensor patch is connected to a processor (circuit) that includes a Bluetooth module and is powered by a battery. The Bluetooth module allows the sensor patch to be linked to a phone to record data. (Guren Matsumura, et al. Device. October 21, 2024) Credit Guren Matsumura, et al. Device. October 21, 2024 Usage Restrictions This image is copyrighted but may be used to report on this press release as long as the copyright holder is credited. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.