Woot offers Refurbished Shark ION Robot Vacuum RV772 for $59.99. Free shipping for Prime Members.

Product Description:
The Shark ION Robot® is designed with a Tri-Brush System, combining side brushes, channel brushes, and a multi-surface brushroll to handle debris on carpets and hardfloors. Use the SharkClean™ app or voice control with Alexa or Google Assistant to start cleaning from anywhere.

• THREE BRUSH TYPES. ONE POWERFUL CLEAN: Tri-Brush System combines side brushes, channel brushes, and a multi-surface brushroll to handle debris on all surfaces.
• INTELLIGENT BUMPER & CLIFF SENSORS: Shark ION Robot senses ledges and stairs and avoids bumping furniture and walls.
• 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.
• 120 MINUTE RUNTIME: Whole-home, floor-to-carpet cleaning for up to 2 hours.
• 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.