Tips Before Purchase: 1.Not all laptops will support dual extended screens and make them work well since there is limitation for the laptops. Many laptops just can support one video signal output by themselves. Please confirm your laptop could support dual video signals output before purchasing. If you are not sure, please check the user menu of your laptop or check the specification from web. Or please check with our service team. 2.Please make sure your laptop support 2 video signals transfer so that to make the dual screens of S2 working well. It means your laptop will have 2 full featured Type-C(support display signal output and power supply together) interfaces or 1 full featured Type-C & 1 HDMI +1 USB-A interfaces or 2 HDMI+2 USB-A interfaces. 3.HDMI and USB-C to USB-A cables need to be used at the same time. 4.If the USB-A interface is not enough to power the screen, please use an adapter (5V/3A or more) to supply the power. 5.If your laptop doesn't have enough HDMI or Type-C interface to connect the screen, You can connect via HDMI and USB-A interfaces that are expanded with a HUB, docking station, or multi-port adapter(we will launch a special HUB to transfer USB-A to HDMI for expending 1 more display signal). 6.2020 M1 and 2022 M2 chip MacBook just can make one screen of S2 to work. Tips of the stand 1. The foldable hooks on the top and the design on both sides of this product can effectively hold the laptop well. 2. This stand serves as an auxiliary function, helping users adjust the overall angle of the three screens to provide support and assistance. 3. The stand is designed to be retractable. Please adjust the stand to the length you need to adjust the screen angle, and rely on the rubber at the bottom of the stand to increase friction and fix the position. Please note that if the desktop is too smooth, the fixing effect of the stand may be affected. FAQ