HDMI KVM Switcher USB3.0 Hotkey 4 In 1 Out SPDIF L/R Audio Out ---Control 4 HDMI sources / 4 computers laptops by one set USB keyboard+mouse, Hotkey Keyboard Switch -- 4K 60Hz HDMI USB 3.0 switch in sync, downward compatible --Support IR remote with IR Extension cable -- KVM HDMI Switch D-o-l-by HDCP Bypass CEC-- HOTKEY support USB 1.1 USB 2.0 keyboard | EASY SET UP --- Power on KVM switch by DC 5V 3A adapter -- Connect USB HDMI cable firstly to wake up USB switch around 20secs. Ensure mouse to USB1, keyboard to USB2 -- HOTKEY toggle switch, IR remote & IR extension cable for flexible control -- RE HDMI signal issue, just press SELECT button for 5 sec. to reread EDID of TV. -- Pls use less than 3mtr new HDMI 2.0 standard cable. | AUDIO VIDEO --- 18Gbps HDCP 2.2 HDMI 2.0 4K@60Hz 4:4:4 8bit HDR D-o-l-b-y Vision, 1080p 144Hz/120Hz/60Hz 3D, Digital 5.1 7.1CH, D-o-l-b-y Atmos, DTS:X. DE-embed SPDIF Optical 5.1CH, Stereo 2.1CH Audio Extractor -- IF source play 2.1ch, SPDIF, Stereo audio work in sync; IF source play 5.1ch audio, SPDIF work, Stereo NOT; IF HDMI source play 7.1ch, HDMI OUT 7.1ch only, SPDIF NOT. Pls use less than 3mtr new HDMI 2.0 standard cable. | HIGH COMPATIBILITY --- 4 port kvm usb hdmi switch for bluetooth mechanical gaming keyboard, computers, pc Mac mini, iOS Windows Linux, Printer,Scanner, game controllers, external HDDs, Android phone, security, conference, surveillance center, office, Xbox one S, PS4 Pro, projector, HD camera. | STABLE PERFORMANCE ---USB 3.1 Kvm hdmi switch with remote Plug and Play, no driver; Industrial metal chassis design improve cooling system; Threaded power adapter to prevent power loss, DC 5V 3A. Attention PLS: 4pc USB cable in box.If you receive a product equipped with a cable that is not USB 3.0, you can always contact us for a free replacement