Batteries Supplied: Yes. Battery Type: 1 x AA. Brand: Logitech. Connectivity: USB. Features of Product: Plug-and-play simplicity makes it easy to get started a€“ just plug the receiver into a USB port and use it right away. No software to install. The snap-on mini-receiver attaches to the mouse to make packing up convenient. The compact design makes it easy to slip the mouse into a bag and take with you. Intelligent battery management delivers months of use and added convenience. The receiver turns off the mouse when attached and an indicator light eliminates surprises. Automatic sleep mode turns off the mouse when youa€™re not using it. High-definition optical tracking (1000 dpi) enables responsive and smooth cursor control. Laptop Mouse: Yes. No of Buttons: 2. Orientation: Right Handed. Product Depth: 16.8 cm. Product Height: 22 cm. Product Weight: 0.216. Product Weight Units: kg. Product Width: 9 cm. Programmable Buttons: Yes. Retractable Cable: No. Scroll Wheel: Yes. Ultra Compact Receiver and Transmitter: No. Wireless: Yes - 2.4GHz.