Innovera Mini Wireless Optical Mouse is the perfect mouse for your on-the-go computer needs. There's no need to use a difficult to use track mousepad when this mini wireless mouse can be packed into a briefcase or laptop bag & taken anywhere. It includes a micro USB receiver that is small enough to stay plugged into your laptop. Made using enhanced optical technology which allows you to track on more surfaces & eliminates slowdowns. Connector / Port / Interface: USB 2.0; Left / Right Hand Use: Left / Right; Mouse Technology: Optical; Wired / Wireless: Wireless.