Researchers at the University of Massachusetts Amherst (UMass) presented a new way to extend the battery life of fitness trackers and smartwatches, without stuffing a larger battery inside the device.
The method, named Braidio, uses Bluetooth and radio-frequency identification (RFID) to send power from a larger device, like a smartphone or laptop, to smaller wearables.
See Also: A heated jacket wins Topshop’s wearable competition
Offloading energy to larger devices may allow device manufacturers to make wearables smaller and lighter, according to UMass professor Deepak Ganesan

Internet of Things