15.6 inch 4K Mobile Phone Notebook Portable Computer Expansion Screen, Style:Touch The product is shipped based on the color or size of the main image of the product page. 1. Size: 352x223mm2. : 60W3. ness: 400cd/m24. Resolution: 3840x21605. Screen panel: IPS hard screen6. Response speed: 40ms7. Weight: normal version: 800g, touch version: 800g, version: 870g, touch version: 870g8. Contrast ratio: 1000:19. Screen ratio: 16:910. capacity: 8000mah11. Built-in speakers: stereo dual speakers12. Screen type: LED backlight13. Interface type: USB, HDMI interface, audio interface14. Packing list: dual Type-C cable, standard HDMI cable, USB-Type-c cable, power supply, display15. Preset six scene modes, low screen does not flash : freely adjustable to reduce light, reduce shortwave light harmful to eyes16. 4K Ultra HD, immersive, providing 8.3 million pixel ultra HD display, fine details are clearly visible17. life, long-lasting combat power, 8000 mAh large capacity 18. -featured one-line direct connection, dual-screen interaction, small screen becomes large screen19. Built-in dual speakers, listen to the surging, reduce the sound vibration as much as possible, and the sound is clear and bright