Product Details ：Description/features: Multiple Devices Can Switch Freely 4k High-definition 3d Visual Effects Stable Transmission And Rejection Of Flashing/ghosting. Equipped With High-performance Chips Inside, Ensuring Stable Signal Transmission And Fast Screen Switching Audio And Video Synchronization Output Supports 5.1/7.1 Channels And Stereo Sound, With Multiple Audio Surround Outputs For A Pleasant Concert Hall Like Experience Compact, , And Space Saving Specifications: Material:pc+abs Color: Black Button Cell:1 Resolution: 4k X 2k (backward Compatibility) Main Control Chip: Lt8631ux X 2+n76e003at20 Interface Material: Nickel Plating Version: Compatible 1.4 Note:different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Package Contents: 1 X Switcher 1 Supply Cable 1 X Infrared Receiver 1 X Remote Control Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The