1x2 HDMI SPLITTRE DUPLICATE/MIRROR ONLY - Powered HDMI Splitter can distribute one HDMI input signal to two HDMI displays, transmit video and audio simultaneously, no loss, no lag (NOTE: just Duplicate/Mirror screens, Not Extend)(the unit does comes with a USB-micro USB cable, But does not come with a 110v power source)PORTABLE - 4K HDMI Splitter 1 in 2 out, size: 2.5x2.1x0.5 inches/ 6.3X5.3X1.2 cm ( L X W X H ), easy to use and carry, travel friendly. USB cable included(it needs to be powered via usb), no need external driver, safety and Eco-friendly (Seller recommend 25ft long hdmi cable(max))4K ULTRA HD RESOLUTION - HDMI Splitter for dual monitor support 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, the frequency can't above 30Hz].NOTE:Not Compatible With HDCP2.2.SUPPORT - 4K HDMI Splitter one input to two outputs support HDMI v1.3/1.4, HDCP compliant ( version 1.2). Support deep color 30 bit/36 bit. Support audio format: DTS-HD/Dobly-true HD/LPCM7.1/DTS/Dobly-AC3/DSD/HD(HBR)PACKAGE INCLUDED - 1 * [ 1 in 2 out HDMI Splitter], 1 * [USB cable(usb power adapter not included,Please plug the usb into a wall outlet,not a cable box etc...)],1*High Speed HDMI Cable.