Multimedia playback: Automatically play videos or photos in internal storage when the device is turned on Aluminum alloy CNC integrated housing Anodized treatment Dynamic video background: Thanks to the high-performance processor Turing, the 2.1-inch water-cooled round screen has pioneered the UI+video background function Visual editing operations theme editor: Visual editor, what you see is what you get, real-time editing and changing layout Display window:Diameter 52mm Overall size:Diameter 74mm Resolution:Diameter 74mm Thickness:10.5mm Perspective:IPS full viewing angle Interface:PHO Maximum power consumption:1.6W (The product printed words depending on the batch, but this does not affect use) Color:Black Material:Aluminum Alloy Package Contents: 1 * USB Water-Cooled Screen 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.