Kleer, a Cupertino, Calif. company that says it can provide better audio quality with less power consumed for wireless short-range transmission, has raised a large $28 million funding, its second.

Portable media like MP3 players as well as in-home broadcasting are the markets that Kleer is targeting, and the company is also considering international expansion for its devices.

The round was led by TL Ventures and BDC Venture Capital, along with previous investors. The company took $10.5 million in its first capital raise from US Venture Partners and VenGrowth Capital.

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