Brand Suckoo Mini Displayport to HD VGA 3.5 Audio Splitter Cable 1 Input 2 Output 4K30HZ. 1920@1080P.Display 2 identical screens..Mini DisplayPort to HD VGA 3.5 Audio Splitter Cable is a multifunctional video and audio signal transmission line splitter. It has one Mini DisplayPort (1 input) connector, two outputs (HD+VGA with 3.5 audio output connector). It can be used to display the same screen or a single HD VGA display at the same time. This product supports 4K resolution and 30Hz refresh rate, which means it can transmit HD images and smooth video content. Color: Black, Product Size: 9x8.3x1.5 cm With this product, you can connect a Mini DisplayPort device, such as a laptop or desktop graphics card, to two HD+VGA monitors or projector TVs while transmitting 3.5 audio signals. This is convenient for multi-screen work, presentations or viewing media content. The splitter cable supports 4K30Hz 1920@1080 resolution and refresh rate. If you require a higher resolution or refresh rate, you may need to look for other high specification connectors or cables. 1 year warranty on Suckoo branded products