1. This black laptop screen extender adopts a display ratio and aspect ratio of 16:9, a white LED screen type, a pixel pitch of 0.276mm, a horizontal viewing angle of 85, and a vertical viewing angle of 90, which can present a more realistic and delicate display image effect. 2. The screen extender has no built-in speakers, and has a response time of 20 milliseconds and a brightness of 200cd/square meter. The interface types include HDMI, USB and Type-C, etc., and the contrast ratio of 1000:1 can achieve high-speed and stable data Transmission and more realistic picture quality performance. 3. In particular, the screen extender also has HDR and anti-blue light functions, dual-screen display function, which can provide better brightness and contrast performance, more delicate color reproduction effect, and a wider working area, which meets the needs of business users. High quality image needs. 4. This screen extender is suitable for laptops, can expand dual-screen display, can improve office efficiency and entertainment experience, and is suitable for application scenarios such as multitasking and game entertainment. 5. The laptop screen extender adopts full high-definition 1920*1080 display resolution, and presents higher-quality images on a 12-inch screen. The size is 8.38" deep * 12.2" wide * 1.18" high, and the interface includes TYPE -C*2+HDMI+USB2.0, the compatible screen size is 13-16 inches, the screen ratio is 16:9, the contrast ratio is 1000:1, the refresh rate is 65 MHz, and the wide color gamut is 68%.