R850 Robot Vacuum VS. Samsung NaviBot Smart Tango

Features a self-adjustment function that decreases the height up-to 1.5cm so as to easily clean under furniture.

This unit can clean medium-to-large sized rooms of up-to 2500-sq.ft.

Its suction-power adjusts to the amount of dirt present on the floor.

Features a main-brush that acts as a pet hair cleaner and also comes with a HEPA-filter that helps to eliminate pet-allergens.

It features Twin side brushes that facilitate for thorough cleaning of corners and along walls.

This device offers about 100-minutes of running-time.

It gets fully-charged in about 3-hours.

The device is designed to adjust to all types of flooring for thorough cleanup.

It can thoroughly clean large-rooms of up-to 2500sq.ft.

This device will automatically return to the charge-base to recharge when the battery runs low on power.

It features a resume-mode that enables it to continue cleaning from in left-off after recharging.

Easily moves from room-to-room using Visionary Mapping technology that provides smart and efficient navigation.

Features Anti-collision sensors for avoiding obstacles while cliff-sensors prevent it from dropping off stairs when cleaning your home.

This device is ultra-silent whereby it makes a noise-level of only 48dBs when under operation.

Features a Turbo-mode that increases suction-power for intensive cleaning of all flooring.

Comes with a HEPA-filter that eliminates 99% of airborne-allergens making this device suitable for allergy sufferers.

A Visionary Mapping System uses a digital-camera to create a floor plan of your home.

It has a micro-fibre dry cloth mop feature. Likewise, the main-brush and 2 side-brushes facilitate for thorough sweeping and cleaning of different floors.

Has a spot-clean-mode that allows for concentrated cleaning of a particular-area.

This device is voice-activated and Wi-Fi enabled for remote control on Smartphone. It also features onboard-controls that be easily set using a user-friendly, LED-Display interface.

It features a mobile-app that allows users to use their Smartphone as a remote control for the device.

This unit Wi-Fi enabled for easy connectivity and control via smart-devices.

The scheduling feature allows for auto-cleaning of your house at any given time for up-to 7-days whether you’re around or not.

Its only 3.1”High which gives it a low-profile design. However, it can even self-adjustment up-to 1.5-cm to clean under almost every furniture.

3000mAh Li-ion Battery.

300ml.

It includes a Virtual-Guard that can be used to prevent it from reaching certain areas.

13.78"L x 13.78"W x 3.11"H

7.05-lbs (3.2kg)

• Can be scheduled. • Visionary Mapping technology. • Automatically adjusts its height. • Has a battery level indicator. • Has voice prompts & voice-activation. • Has anti-fall and anti-drop sensors. • Auto docking and resume feature. • Has a route mapping & planning feature. • Can be controlled remotely on smart-device.

• A small dust-bin. • Can't clean thick carpets. • Doesn't work with Amazon-Alexa.