【4K@60Hz UHD】The dual HDMI adapter extends your Windows laptop's display to a TV, projector or monitor with up to 4K@60Hz using HDMI alone or up to 4K@30Hz using dual HDMI simultaneously. Dual hdmi port used Simultaneously: resolution up to 4K (3840X2160P@30Hz),down compatible with 2K (2560x1440@60Hz),1080P(1920x1080)@60Hz.
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