Enjoy reliable wireless comfort in your mobile PC with the 3500 Wireless Mobile Mouse from Microsoft. Featuring an ambidextrous design which makes it comfortable to use either way, it also includes a Plug-And-Go Nano Transceiver that stays in your PC or in the mouse. This mouse comes with the Microsoft BlueTrack Technology that combines the power of optical with the precision of laser for remarkable tracking on virtually any surface. Moreover, you can use it without power interruption for up to 8 months on a single battery. Additionally, with the on-off button you can switch the device off and extend its battery life. Completing the package is the feature Plug-And-Go Nano Transceiver.