A wireless charging start-up says it has developed a chipset that easily integrates with mobile devices to allow them to charge from existing Wi-Fi and Bluetooth transmitters.

Ossia originally announced its Cota wireless charging technology, in 2013, saying the antenna and chipset could receive power from wireless transmissions up to 30 feet away.

Today, the company announced that mobile device makers can now integrate its Cota chipset into mobile products without adding additional antennas; the chip simply uses the antenna that comes with the mobile device to receive power.

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