4K Ultra HD Resolution wireless HDMI transmitter and receiver supports video resolution up to 4K(3840 X 2160) and more resolutions(1080P full HD/720P),Built-in chip can prevent delay and lag caused by signal interference, you can enjoy clear and vivid images in a large screen. This Mirroring Dongle is perfect for learning, business meeting, family party and playing games and gives you a great screen experience.Powerful functionWireless HDMI adapters support stream HD 4K 3D movies, TV shows, video, games, presentations wirelessly from your Laptop, PC, Mac, Smartphone, PS4/5, Switch, Satellite Box, HDSLR Camera to HDTV, Projector or Monitor.Plug & PlayNo drive or APP needed, without messy wires, it's easy to connect and pair TV and will not affect other wireless devices, Wirelessly mirror and share all contents on the big screen, include: pictures, videos, online game, online movies, web browsing, online shopping, documents and more.High-Quality TransmissionIn an open field, The distance of the wireless transmission high-definition HDMI audio/video signals is as high as 328ft/100m. if through 1 wall the signal can transmit 10-30m/33ft-100ft. transmission distance is enough to cover the entire conference room or room in the home, , This means you don't have to buy a long HDMI cable to extend video signals.Instructions for use: In both cases, please use a 5V2A adapter to connect the transmitter: 1 When your computer is in low battery, 2 some computers HDMI imports have low current, the power light of the transmitter will become weak or go out, please use a typec charging cable To support the launcher.The wireless kit includes: transmitter*1 receiver1, hdmi cable1, typec data cable3, user manual1(If you choose the whole set). If there is any problem in the connection process, we will help you solve it online as soon as possibleNote: Since TV HDMI is a receiving port, this product can only share the resources of multiple computers to one TV. , instead of sharing multiple TVs. If you don't understand, you can ask before buying