![Stamp-sized Battery-free Bluetooth Transponders [video]](https://i0.wp.com/healthtechinsider.com/wp-content/uploads/Wiliot-battery-free-Bluetooth-with-video-600x279.jpg?resize=600%2C279&ssl=1)
by Bruce Brown | January 24, 2019 | Enabling Tech
Low-cost, low-power Bluetooth wireless technology enables many wearable healthtech devices. In ideal conditions, Low-Energy Bluetooth transmits further than an American football field (>100 meters), but for most health tech applications, a 10 to 20-foot range is more...
