According to a trusted industry insider, the price of the HTC Vive Cosmos will be 899 €uros and the device will ship end of August. (In the video I stated USD, but actually the industry insider stated the €uro price. Taking into consideration that we normally pay a premium in Europe (Vive Pro headset only was €879), you could expect a US price of around $800, if my source is correct about €899). Take this with a grain of salt. However, I believe the probability of the information being true is high.
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