HTC Corp is working on developing smartphone-based virtual reality goggles, as part of its broader efforts to diversify and boost revenues.

The announcement comes shortly after the company also opened pre-orders for its new $799 HTC Vive VR headsets, which currently only work with personal computers and consoles.

Raymond Pao, its associate vice-president of VR new technology, said: "We have been working on VR equipment that can work with smartphones and tablets.