4K HDMI Switch, iMounTop&trade; 3x1 High Speed HDMI Switcher Supports 1080P 3D for HD TV 1). PLEASE NOTE: It can only work with those device which Supports HDCP. EASY OPERATION -- High-performance 3 x HDMI inputs and 1 x HDMI digital / analog audio output switch. 2). COMMON SUPPORTS -- Windows XP, iOS, Linux, Android 2.x, Android 4.x, Win7 32, Win7 64, Win8 32, Win8 64, Mac OS. 3). SUPPORTS 3D, 720p, 1080i, 1080p and 4K -- Original Betron Product *** Auto switches smartly between up to 3 HDMI sources to one high definition display; Works well with Blue-Ray, Cable Box, PS3, Xbox36, etc. 4). NO EXTERNAL POWER SUPPLY -- Compatible with standard HDMI1.4a, CTS1.4a, DVI 1.0 version supports HDMI 1.4: Support 3D TV support HDCP repeater support 3D video formats; 4K x 2K; 8, 10, 12 & 16-bit Deep Color support audio channel. output of Dolby TrueHD DTS-HD Master Audio 7.1CH low power. 5). LIFETIME GUARANTEE -- In the highly unlikely event that you aren't completely satisfied we will promptly and courteously offer you a full refund or a brand new replacement, any questions Please DON'T HESITATE to contact us, we are always here for you.