Logitech M185 Wireless Mouse - Blue (Certified Refurbished) 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 Plug-and-play wireless: Get a reliable connection from a convenient nano receiver that stays in your computer Contoured shape: Gives you more comfort and control For Windows and Mac computers: No software or setup hassles-start using your mouse right away Wireless technology: Advanced 2.4 GHz wireless connectivity