1、1 in 2 Out: 1x2 HD Multimedia Interface splitter only copy or mirror image, you can allocate an HD Multimedia Interface input signal to two HD Multimedia Interface displays, and transmit video and sound at the same time without loss and lag. (Note: Just copy or mirror the screen, not expand). 2、Portable Design, USB Power Supply: 1x2 HD Multimedia Interface dual screen splitter is easy to use and carry, and travel friendly. Including USB cable (it needs to be powered by USB) does not require external drive, which is safe and environmentally friendly. 3、4K HD: 4K ultra high definition resolution, dual displays, support 4K,3840 x2160p,3D and 480i 60Hz,480p 60Hz,576i 50Hz,576p 50Hz,720p 50 60Hz,1080i 50 60Hz,1080p 50 60Hz,1080p 24Hz 3D,720 60Hz,4K 30Hz. For 4K resolution, the frequency cannot exceed 30Hz. Note: Incompatible with HDCP 4、Compatible: Splitter supports HD Multimedia Interface v3 4,HDCP compatible (version 2) supports dark 30 bit and 36 bit, and supports sound formats: DTS HD for Dobly true HD, LPCM7.1, DTS, for Dobly AC3 DSD HD(HBR). 5、Cautions: 1 in 2 out HD Multimedia Interface dual screen splitter is not a switcher, it will not let you display multiple HD Multimedia Interface sources on a TV. 1 x HD Multimedia Interface Splitter   1 x USB Data Cable Item Type: HD Multimedia Interface SplitterMaterial: ABSColor: BlackConnector Type: Micro USB, HD Multimedia InterfaceCable Type: HD Multimedia InterfaceSupported Resolutions: 4K, 3480x2160P, 3D, and 480i 60Hz, 480p 60Hz, 576i 50Hz, 576P 50Hz, 720p 50 60Hz, 1080i 50 60Hz, 1080p 50 60Hz, 1080P 24Hz, 3D 720 60Hz, 4K 30HZ HDCP 2.1Compatible Devices: For Game Consoles, Laptops, Monitors, TVs, Projectors, DVD Players