Batteries Supplied: Yes. Battery Requirement: 2 x AA. Brand: Microsoft. Connectivity: Wireless. Features of Product: Wireless mobile mouse. 4 Customisable buttons. Snap in reciever. Laptop Mouse: Yes. Mouse Rechargeable: No. No of Buttons: 4. Product Depth: 8.499 cm. Product Height: 21.999 cm. Product Weight: 401. Product Weight Units: g. Product Width: 14.599 cm. Programmable Buttons: Yes. Quantity Buttons: 4. Rechargeable: No. Retractable Cable: No. Scroll Wheel: Yes. Wired or Wireless: Wireless. Wireless: Yes.