Assembled Dimension Depth: 2.8. Assembled Dimension Height: 7.5. Assembled Dimension Units: cm. Assembled Dimension Width: 4. Assembled Weight: 0.09. Assembled Weight Units: kg. Batteries Supplied: Yes. Battery Type: 2 x AA. Brand: Logitech. Connectivity: USB. Laptop Mouse: No. No of Buttons: 4. Orientation: Right Handed. Product Depth: 2.8 cm. Product Height: 7.5 cm. Product Weight: 0.09. Product Weight Units: kg. Product Width: 4 cm. Programmable Buttons: Yes. Retractable Cable: No. Scroll Wheel: Yes. Ultra Compact Receiver and Transmitter: No. Wireless: Yes - 2.4GHz.