Batteries Supplied: Yes. Battery Type: 2 x AAA. Brand: Technika. Connectivity: USB. Laptop Mouse: Yes. No of Buttons: 6. Orientation: Right Handed. Product Depth: 5.5 cm. Product Height: 4.1 cm. Product Width: 11 cm. Programmable Buttons: No. Retractable Cable: No. Scroll Wheel: Yes. Ultra Compact Receiver and Transmitter: No. Wireless: Yes - 2.4GHz.