BlueDiamond Track Mobile, a travel-sized optical mouse.

• Mobile design is small and light enough to slip into a bag or briefcase on your way out the door and carry with you anywhere
• Two-step installation: Connect the USB nano dongle into any free USB port, power on the mouse, and you're ready to start clicking!
• Ambidextrous design is equally comfortable for both left and right-handed users.
• USB nano dongle stows away inside the mouse for convenient worry-free mobility.
• 1200 DPI optical sensor provides smooth and precise optical tracking on a wide variety of surfaces.
• 2.4 GHz wireless technology keeps your workspace clean and uncluttered, allowing up to 10 metre operating range.
• Batteries Included.