No batteries! Wireless tech recycles airborne radio waves
Battery FREE Wireless Optical Mouse With Mousepad
Wireless, battery-free, flexible, miniaturized dosimeters monitor exposure to solar radiation and to light for phototherapy | Science Translational Medicine
MIT engineers build a battery-free, wireless underwater camera | MIT News | Massachusetts Institute of Technology
DF-331 - 200m EXTRA Plug-In Battery-Free Wireless Doorbell | hopewell
Wireless, Battery-Free Implants for Electrochemical Catecholamine Sensing and Optogenetic Stimulation | ACS Nano
Wireless and battery-free platforms for collection of biosignals - ScienceDirect
Battery-free, wireless soft sensors for continuous multi-site measurements of pressure and temperature from patients at risk for pressure injuries | Nature Communications
Wireless devices go battery-free with new communication technique