Shark ION Robot Vacuum RV761 with Wi-Fi and Voice Control ADO #:B-1589 Used .Price is Firm. Description : Shark ION Robot Vacuum RV761 with Wi-Fi and Voice Control, 0.5 Quarts, in Black and Navy blue THREE BRUSH TYPES. ONE POWERFUL CLEAN: Tri-Brush System combines side brushes, channel brushes, and a multi-surface brushroll to handle all debris on all surfaces. COMPLETELY INTEGRATED IN YOUR HOME: Shark ION Robot senses ledges and stairs, avoids damaging furniture and walls, and maneuvers around potential stuck situations, truly knowing your home. CLEAN FROM YOUR PHONE: SharkClean app lets you start and stop cleaning and schedule your robot to clean whenever you want. EASY VOICE CONTROL: Use Amazon Alexa or Google Assistant to easily make the robot clean at your command in your connected home. BUILT, TESTED, AND PERFECTED: Shark puts their robots through rigorous testing, performing thousands of hours of real-life use to give you a reliable, ultra-powerful clean.