Logitech M505 Wireless Notebook Mouse - Red (910-001106) &nbsp; 15-month battery life Computer Device Features: Tilt Wheel Plus Zoom, Plug and Play Technology, Scrolling Wheel Includes: Operating Instructions, USB Adapter Power Source: Battery-Powered Dimensions: Length: 4.0 "; Width: 2.25 "; Depth: 1.5 " Warranty Description: 2 Year Limited Manufacturer Warranty Ergonomic design Laser precision Logitech Advanced 2.4 GHz wireless A tiny, leave-in receiver let you get more done, more comfortably, in more places