Logitech M185 Wireless Mouse – Grey – Logitech Advanced 2.4 GHz Wireless Connectivity – Plug & Play Design – Comfy Contoured Design – Up to 1 Year Battery Life – 3 Total Buttons – Advanced Optical Tracking Sensor – Battery Type: 1x AA – Wireless Range: Approx 10m – USB Receiver – 910-002255 – 3 Years Limited Warranty