The charger can come in the form of a dongle that can be plugged into a device via a USB port or another connector, or charging technology can be integrated into a device's circuitry.
The Cota wireless charger delivers about 1 watt or about one-third the power a device would get being charged from a USB power signal.
Cota said that once the technology is licensed to developers and manufacturers, he envisions that it could power anything -- a cell phone, a remote control, a game controller, Bluetooth headsets, or flashlights.
"Just think, this could forever eliminate that annoying chirp from the mystery smoke detector with a dying battery at 3 in the morning," Zeine said.
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