This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com CROSS-COMPUTER CONTROL - Logitech Flow allows you to seamlessly control multiple devices and even copy-paste content and documents between those computers TRACKS VIRTUALLY ANYWHERE - even on glass RECHARGABLE BATTERY - Up to 70 days of power on single charge DUAL CONNECTIVITY - Use with up to three Windows or Mac computers via included Unifying receiver or Bluetooth Smart wireless technology Meet the compact mouse that gives you superpowers. MX Anywhere 2S works wherever you do—and works seamlessly across three computers, including navigating and copy-pasting between them.