Xiaomi has long been recognized as a "department store" in the tech world. Beyond its core business of selling smartphones, the company has expanded into a wide range of products, from bags and clothing to home appliances — areas that were once considered far beyond Xiaomi's reach. However, not all these products are directly manufactured by Xiaomi; many are produced by its ecosystem companies, such as Mijia and Ruimi, which are part of Xiaomi’s broader network.
Last year, Mijia launched its first robotic vacuum cleaner, which quickly gained popularity due to its excellent value for money. But the robotic vacuum market is now highly competitive, with numerous brands offering similar features. To stand out, innovation and unique selling points are essential for long-term success.
This year, Mijia's research and development team, Stone Technology, introduced the second generation of their robotic vacuum cleaner, the Stone Sweeper. Compared to its predecessor, it features improved suction power (up to 2000Pa), enhanced sensors, a larger dust bin, a more efficient filter, and better obstacle navigation. It also adds a mopping function, combining sweeping and cleaning in one device — a feature that many users have welcomed.
As a tech content creator, I recently had the chance to test the Stone Sweeper. Let's take a closer look at this product and see if it can truly meet the needs of someone who prefers to stay lazy while keeping their home clean.
**Design: Still Dominated by White**
It seems like almost every product from Xiaomi’s ecosystem has adopted a minimalist, MUJI-style design. This aesthetic is often described as “cold†or “sexually cold,†but it’s undeniably clean, elegant, and modern.
The Stone Sweeper follows this trend with a white, disc-shaped body and a prominent laser sensor on top. A bright orange accent adds a touch of style, making the overall look both functional and fashionable.
**Sweeping and Mopping in One: A Major Upgrade**
One of the most notable improvements in the Stone Sweeper is the addition of a mopping function. While some high-end models like Dyson still lack this feature, the Stone Sweeper integrates both sweeping and mopping into one device, which is a big plus.
Before diving into how well it works, let's take a look at its main cleaning components.
The main cleaning mechanism is a roller brush that can be easily removed and cleaned by pressing two buttons. There’s also a side brush that resembles a bamboo pole, helping to sweep along the edges.
The robot uses a combination of a universal wheel and a main wheel, significantly improving its ability to navigate obstacles. The clearance has increased from 1.5 cm to 2 cm, allowing it to easily cross thresholds between rooms.
Thanks to the added water tank and a removable mop, the Stone Sweeper can perform deep cleaning after removing dust. The water tank is designed with a plant-like structure, mimicking the root and leaf relationship. It automatically controls water flow, keeping the mop wet for over 40 minutes while moving and preventing overflow when stationary.
Removing the water tank is straightforward — just insert it from the bottom, and you’ll hear a click when it’s properly installed. To remove it, press both sides of the release button.
The mop is designed with Velcro and fits into a slot on the water tank, ensuring a tight fit and preventing curling during mopping. Overall, the Stone Sweeper offers a smart and effective solution for those looking for a multi-functional cleaning robot.
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