Xiaomi Notebook Ultra aims to provide a great user experience in a solid aluminium body with a great display. We review to find out just how well it merges everything to fulfil its aim. The iRobot Roomba i3+ is a robot vacuum capable of cleaning both itself and the floor of the house. And we take it for a spin to find out how practical it really is. Philips Fresh Air Mask merges technology with a simple mask to make breathing simpler for the user while they wear a mask to protect themselves. We review it to find out just how well it works.