1x2 HDMI SPLITTRE COPY/MIRROR ONLY - Powered HDMI Splitter can distribute one HDMI input signal to two HDMI displays, transmitting video and audio simultaneously with no loss and no lag (note: just copy/mirror the screen, no extension) (the unit does come with a USB-micro USB cable, but does not come with a 110V power supply). This unit is not a switcher, it will not allow you to display multiple HDMI sources on 1 TV.Portable - 4K HDMI Splitter 1 in 2 outThe unit is easy to use and portable, travel friendly, size: 2.5x2.1x0.5 inches / 6.3X5.2X1.2 cm (LXWXH). USB cable included (it needs to be powered via USB), no external drivers required, safe and environmentally friendly (seller recommends 25ft long HDMI cable (max))4K Ultra HD resolution - Dual display HDMI splitter supports 4K, 3840x2160p, 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, frequency cannot exceed 30Hz]. Note: Not compatible with HDCP2.2Support - 4K HDMI Splitter one input to two outputs supports HDMI v1.3/1.4, HDCP compatible (version 1.4). Supports Deep Color 30 bit/36 bit. Audio formats supported: DTS-HD/Dobly-true HD/LPCM7.1/DTS/Dobly-AC3/DSD/HD (HBR)Package includes - 1 * [1 in 2 out HDMI Splitter], 1 * [USB cable (USB power adapter not included, please plug the USB cable into a wall socket, not a cable box etc.)], 1 * High Speed HDMI cable