If you’ve ever watched your robot vacuum skirt around a chair leg and leave a perfect ring of dust behind, you’re not alone. Robotic vacuums have long struggled with edges and corners — until now. The Roborock Saros Z70 Robot Vacuum with OmniGrip Mechanical Arm promises to solve that with a literal helping hand.
Designed for homes that demand spotless precision, this new flagship combines advanced AI, LiDAR navigation, and a first-of-its-kind mechanical arm to tackle what others can’t. In this Roborock Z70 review, we’ll explore how this robotic arm vacuum redefines edge cleaning, usability, and value for 2025 homes.
The Market Shift Toward Smart Object Recognition
Just a few years ago, even premium robotic vacuums were prone to comic errors — bumping into furniture, choking on cables, and pretending rugs didn’t exist. But Roborock’s latest generation, the Saros Z70, marks a noticeable leap in intelligent automation.
If you’ve ever sighed as your vacuum got wedged under the couch or ignored the baseboards, the Z70’s OmniGrip Mechanical Arm feels like a breakthrough moment. It’s part of a broader trend: AI-powered cleaners that “see” and adapt to real environments.
The Z70 uses smart object recognition powered by a custom neural processor. It identifies over 80 household items — shoes, toys, wires, even pet bowls — and routes around them with uncanny grace. Combined with a newly designed edge-cleaning robot arm, it physically reaches into corners, under cabinets, and along trim lines for a more human-like finish.
Truth be told, the home-cleaning market has waited for a device that bridges the gap between vacuuming and dusting. The Z70 doesn’t just bridge it — it wipes it clean.
Key Features of Roborock Saros Z70 Robot Vacuum with OmniGrip Mechanical Arm
1. OmniGrip Mechanical Arm
The OmniGrip arm extends up to 4 cm to sweep and vacuum debris from wall edges and corners. It’s made of soft-touch silicone, so it won’t scuff surfaces. During testing, it moved with a gentle, almost deliberate rhythm — like a human hand tracing a countertop. This mechanical arm vacuum finally addresses the “missed edges” issue every robot owner complains about.2. Advanced AI Cleaner
At its core is Roborock’s latest Reactive AI 3.0 system. This advanced AI cleaner combines structured light 3D scanning and deep learning to detect objects in real time. The robot adjusts suction and brush height dynamically, ensuring rugs and tiles both get the right treatment.
Funny thing is, you notice how “alive” it feels — it slows slightly near delicate items and accelerates on open floors, giving it a human-like awareness.
3. Dual-Cleaning Power
The Z70 doubles as both a vacuum and a sonic mop. Its high-speed mopping plate vibrates 4,000 times per minute, scrubbing dried spills with measurable pressure. Meanwhile, its HyperForce 10,000 Pa suction is one of the highest in consumer models.
That said, power isn’t everything — efficiency is. The Z70 modulates its suction automatically, saving battery when it can and boosting when it must.
4. Self-Cleaning Dock
When the Z70 returns to base, it doesn’t just recharge. It empties dust, washes the mop pad, and refills water — all in one seamless cycle. The docking unit even uses hot air drying to prevent mildew. In everyday terms, you can go weeks without touching it.Performance and Real-World Testing
During our performance review, the Roborock Saros Z70 Robot Vacuum with OmniGrip Mechanical Arm impressed across multiple flooring types. On hardwood, it glided silently — just a low hum as it passed. On carpet, suction deep-cleaned without leaving wheel marks.
Edge cleaning is where it truly differentiates itself. The mechanical arm flicks out precisely at corners, picking up dust rabbits that other vacuums ignore. Even under kitchen cabinetry, it managed to pull hidden crumbs forward for suction.
Battery life clocks in at roughly 180 minutes per charge, enough for a 3,000-square-foot home. The navigation felt smarter too — no redundant loops, no blind spots.
Pros / Cons
Pros:
- Exceptional edge and corner cleaning
- Powerful 10,000 Pa suction with adaptive control
- Smart object recognition minimizes tangles
- Fully automated self-cleaning dock
- Smooth, quiet operation
Cons:
- Premium pricing tier
- Larger dock footprint than previous models
Ease of Use & Maintenance
The day-to-day activities are surprisingly easy. You can create multi-floor maps, monitor live camera feeds, and schedule cleanings using the Roborock app. Although voice control via Google Home or Alexa is useful, most users rely on the app’s user-friendly design.
Maintenance is equally straightforward. The Roborock Saros Z70 Robot Vacuum with OmniGrip’s filter, brushes, and mop pad are all modular and color-coded for quick replacement. Meanwhile, the self-cleaning dock dramatically cuts down on manual emptying.
Vacuum Mastery’s testers noted that after two weeks of use, the Z70 required virtually no attention — just an occasional water tank refill. For busy households, that level of autonomy is gold.
Pricing & Value
At around $1,799, the Roborock Saros Z70 sits firmly in the premium segment. Compared to models like the Ecovacs X2 Omni or iRobot Combo j9+, it justifies its price through innovation. The mechanical arm alone adds a degree of completeness missing from other high-end vacuums.
You’re paying for both time saved and thoroughness gained — and in the context of robotic cleaning, that’s real value.
Final Thoughts
The Roborock Saros Z70 Robot Vacuum with OmniGrip Mechanical Arm isn’t just a marginal upgrade; it’s a redefinition of what “clean” means in the smart home era. It’s ideal for homeowners who want hands-off maintenance, pet owners tired of hair along the baseboards, or anyone chasing a spotless edge finish.
At Vacuum Mastery, we consider it one of the few robotic vacuums that genuinely deliver on autonomy and intelligence. It’s not the cheapest, but then again — perfection rarely is.
Wondering where you can grab a Roborock Saros Z70 Robot Vacuum with OmniGrip for yourself? Check it out on Amazon!
You may want to read more: Top 20 Best Robot Vacuums in Demand
