Logitech Notebook Essentials Kit - Sleeve, Speaker, Wireless Keyboard & Mouse (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Wireless Keyboard: compact design, easy to install Wireless Mouse: With low battery indicator, on/off switch and smart sleep mode Laptop Sleeve: 16 in. sleeve with pockets for accessories Z50 multimedia speaker: 2.25-inch driver produces 10W of peak power for a surprisingly loud sound