This coupler use to connecting two male ethernet cables together and extend the length of ethernet cable. | This couplers are metallic shielded to prevent electrical interference. Plug and play. | The Ethernet Coupler connection is firm, not easy to fall off, suitable for all kinds of places, note: not waterproof. | 8P8C female ethernet coupler jack is compatible with Cat6/Cat5e/Cat5 network cable. | Network Coupler meets Category 6 performance, TIA/EIA 568-C.2 Verified, FCC, RoHS Compliant.

4(1)-IN-1(4)-OUT Mini 3.5mm Audio selector designed for customers having several audio sources and outputs. | ❶ Select audio input between (IN/OUT)A/B/C/D with 1/4 switch knob and get one output. | ❷ Select audio output between (IN/OUT)A/B/C/D to receive one input. | 4 channel switch knobs, fully isolated independent circuit, make sure that each signal is not affected by the other three channels. | Totally No Noise and No Sound Interference. Plug and play， No power needed， Won't affect sound quality.

7-Way HDMI Switch: This HDMI Switch 7 in 1 out support connecting 7 HDMI devices (Gaming consoles, TV box, DVD player PC) to 1 HDMI display and toggle. No lag, No drop in quality. | Plug and play. Provide advanced signal processing with great precision, colors, resolutions, and details. Durable aluminum build makes for a longer lifespan. | Compatible with Nintendo Switch /Switch oled, PS3/PS4/PS5, Xbox, DVD Players, Fire Stick/ Roku/ Apple TV/ Chromecast TV/ PC and Projector, etc. | Support 2 Switching Methods:1. Button Switch; 2. IR Remote Control Switch. Support bandwidth 18Gps/600MHZ, HDCP2.2, HDMI2.0, HDR, Dolby Vision, 3D 4K 60HZ, UHD, DeepColor to 36bit. | Please contact the seller's customer service , if you have any questions. | NOTE: This is HDMI Switcher, it CANNOT be used as HDMI Splitter.

2-IN-1-OUT/1-IN-2-OUT 3.5mm Audio selector designed for customers having several audio sources and outputs | Select audio input between 1 and 2 with 1/2 switcher and get one output; | Select audio output between 1 and 2 to receive one input | One key to mute， very useful under special conditions | Plug and play, No power needed， Won't affect sound quality

Y.D.F 3 HDMI 2.0/4K@60Hz/18Gbps to HDMI Switcher + 2 RCA to HDMI Converter （2 in 1）.Designed for Multiple Gaming Consoles ！！！ | 3 HDMI2.0 to HDMI Compatible with PC, Computer, Macbook, Xbox 360, Xbox One, PS4/5, Blu-Ray DVD, Chromecast, Switch, Apple TV, Fire Stick, Roku, etc. | 2 Way AV to HDMI Converter Compatible with Sega, WII, N64, NGC, SNES, PS1, PS2, PS3, Xbox, STB, VHS, VCR DVD Players, TV and Projector, etc. Support 4:3/16:9 Switching. | Output compatible devices: HD-Ready or Full HDTV, projector, monitor, etc. | Plug & Play with One Key Switch. Provide advanced signal processing with great precision, colors, resolutions, and details. Durable aluminum build makes for a longer lifespan. | Please contact the seller's customer service , if you have any questions.NOTE: To reach 4K@60Hz, the total length of the input and output HDMI cable should be within 10 feet!