DiMENETION 408 * 287 * 29mmColor red, blue, black, whiteVoltage USB 5V.Current 0.35 ± 10% aPower 3.75WWeight 733 G.Carton size 61.7 * 34.8 * 43.6cm (16PCS / Carton)Features and description 2 USB Portspith 1 Free USB cable, then you will not miss any USB device with this notebook cooling pad.Ergonologically designed, 3 View ANGLSAILABLE, available for the most comfortable use.Large metal mesh board for super cooling performance.The storm blows out all calories from the bottom-up laptop, with mute motor, no noise cooling fan.Two versions available, middle middle and lighting, top, humanized design.Optimized Notebook Way: High quality Multi-directional metal network, providing a wear-resistant notebook with wear-resistant notebook.Ultra-quiet fan: Ultra-quiet fan creates no noise-free environment.Extra USB interface: Additional USB interface and power switch design.Built-in Dual USB hub, connect more USB devices. Tips.The cable within the package is USB to USB connection.The Type C connection device needs to prepare the Type C to the USB adapter.Laptop cooling mat allows you to use laptops, bed duvets or any other even place on the table.Anti-slip design prevents laptops to slip.It can effectively reduce the calories of laptops.The pad has ergonomic design, easy and light, easy to carry.And because it is USB power, you don't need to carry extra wire or bulky battery pack.