When I bought my Cleaning Robot, I have chosen Roborock S7 instead of S6-Max or S5-Max because I knew it is the model that can pair with Roborock auto-empty dock.In fact, I find it quite difficult to empty out the dust in the Roborock S7 dust box because the debris can be trapped in quite a lot of places inside the dust box. The only effective way to quickly empty it out is to vacuum out the