Fangrui Product Details Excellent Features: 4k Ultra Hd: True 4k Resolution, Supports Up To 4k@30hz High-resolution Signal Transmission, Stable Signal, And Delicate Picture Quality; Plug And Play: No Settings, No App, No Network, No Tedious Settings, Just Connect The Corresponding Device To Start Using; 5g Dual Band: 5g Frequency Signal Channel, The Signal Is Stronger And More Stable, Allowing You To Enjoy A High-definition And Low-latency Audio-visual Feast; High Compatibility: Compatible With Various Devices (laptops, Pcs, Cameras, Game Consoles, /5, Stbs, Tv Boxes, Projectors, Etc.), Easily And Stably Transmit High-definition Video And Audio Signals With Low Latency Mirroring/extension Dual Mode: Switch From A Small Screen To A Large Screen, The Visual Experience Is Clearer, And The Screen Is Extended To Display Different Content; Suitable For A Variety Of Occasions: Live Broadcasts, Games, Online Courses, Corporate Meetings, Home Theaters, Etc. Specifications Name: 4k Wireless Transmitter And Receiver Frequency: 5g+2.4g Tr