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8 GHz wireless transmission technology
over-ear design provide superior isolation and improved bass response
It has obtained these power certifications： TUV，FCC，RoHS，CE
and accessories with the padded
VIVITEK DW771USTI data projector Nvidia MX450 2GB 8 GHz wireless transmission technologyUltra short throw lens can make 100 inch projection screen from as little as 44cm away The DW771USTi is the ultimate interactive ultra short throw projector for the education with 3500 lumen of brightness and WXGA resolution . The projector offers a 100 inch diagonal 2. 15 metre wide projection image from as little as 44cm away from the screen surface. As well as delivering an optimal viewing experience, the DW771USTi ensures a high sound quality
