It can't hurt to have an extra wireless mouse around.

The Jelly Comb wireless optical mouse is down to $5.99 with code WSHRHC8J on Amazon. This mouse normally sells for $8. Despite the wide variety of color variations, this code only works on the black version. At this price, you might as well buy a couple and keep them around in case you ever need a mouse and can't find your regular one.

Features include:

  • Sensitive Mouse Click with Less Noise - Slim ergonomic design and smooth frosted surface for an incredible user experience. Quieter and Easier to click, make you concentrate on your work without disturbing others beside you
  • Plug & Play - Tiny wireless receiver conveniently slots into your computer's USB port, taking up minimal space.
  • Stable Connection - 2.4 GHz wireless provides a powerful, reliable connection up to 15m
  • Universal Compatibility - work with Windows XP, Windows Vista, Windows 7, Mac OS X 10.4 etc.
  • Portable & Durable - USB-receiver stays in your PC USB port or stows conveniently inside the wireless mouse when not in use.

The mouse has 4.4 stars based on more than 3,400 user reviews.

It uses one AA battery to keep it charged, so get a $13 4-pack of rechargeable batteries to make sure it always has juice.

See at Amazon