Batteries Supplied: Yes. Battery Type: Rechargeable. Brand: Logitech. Connectivity: USB. Laptop Mouse: No. No of Buttons: 4. Orientation: Right Handed. Product Depth: 24.1 cm. Product Height: 23.4 cm. Product Weight: 0.7. Product Weight Units: kg. Product Width: 9.3 cm. Programmable Buttons: Yes. Retractable Cable: No. Scroll Wheel: Yes. Ultra Compact Receiver and Transmitter: No. Wireless: Yes - 2.4GHz.